Explanation:

The resource management plan is a subplan of the project management plan that describes how the project resources will be acquired, allocated, managed, and controlled. It also defines the roles and responsibilities of the project team members and the skills required for the project activities. The project manager should review the resource management plan with the new team member to clarify their expectations and provide guidance on how to perform their assigned tasks. Additionally, the project manager should provide mentoring to the new team member if necessary, to help them develop their skills and competencies, and to integrate them into the project team. This is part of the Develop Team process, which aims to improve the team members' performance and interaction. The other options are not the best choices because they do not address the root cause of the new team member's confusion, which is the lack of familiarity with the project and their role.
Advising the new team member to enroll in project management training (option A) may be helpful, but it is not specific to the project and may not cover the skills and knowledge needed for the project activities.
Instructing the new team member to review the RACI matrix before asking for help (option B) may be seen as dismissive and unhelpful, and it does not provide enough information about the project scope, objectives, deliverables, and stakeholders. Advising the new team member to review the project charter and stakeholder engagement plan (option C) may be useful, but it is not sufficient to explain the resource management plan and the expectations for the new team member's role and performance. References:
Project Management Professional (PMP) Reference Materials:
A Guide to the Project Management Body of Knowledge (PMBOK Guide), Sixth Edition, Chapter 9: Project Resource Management, pp. 313-372 Project Resource Management According to the PMBOK Professional in Business Analysis (PBA) Reference Materials:
Business Analysis for Practitioners: A Practice Guide, Chapter 3: Needs Assessment, pp. 41-42 Resource Management Plan - PMP TIPS

The project manager should use the manage team process to optimize team performance and enhance project activities. This process involves tracking team member performance, providing feedback, resolving issues, and managing team changes. One of the tools and techniques for this process is conflict management, which is the application of resolution techniques to minimize the negative aspects of conflict and enhance the positive aspects of conflict. The project manager should use conflict management skills to resolve the differences with the key resource and build a good working relationship based on trust and respect. This will help ensure project success and foster a collaborative team environment. Monitoring the key resource closely throughout the project, but not letting the project sponsor know about the conflict (option B) may not be effective or ethical, as it may create a sense of distrust and resentment between the project manager and the key resource. It may also prevent the project sponsor from providing support or guidance if needed.
Requesting that the key resource's functional manager work directly with the resource during the project (option C) may not be feasible or appropriate, as it may undermine the project manager's authority and responsibility. It may also create confusion and conflict among the team members and stakeholders.
Discussing this with the project sponsor and requesting that this key resource be replaced on the project (option D) may not be the best option, as it may cause delays and disruptions to the project. It may also damage the relationship between the project manager and the key resource, as well as the key resource's functional manager. Moreover, the key resource is needed to ensure the completion of a major component for the project, so replacing them may not be easy or desirable. References: (Professional in Business Analysis Reference Materials source and documents) PMBOK Guide, 6th edition, pages 349-350, 9.4 Manage Team PMI, PMP Exam Content Outline, 2021, page 10, Domain II: Process, Task 8: Manage project team members and their assignments PMP Practice Questions #56 - iZenBridge

This question belongs to the Business Environment domain because it concerns compliance with organizational governance and approval authority. PMI governance guidance explains that project governance is aligned with the organization's governance model, and PMI methodology material highlights that approval processes should define who has authority, how approvals flow, and how funding and decisions are authorized. Procurement itself is a formal acquisition process governed by contractual and organizational rules.
The best response is to agree on a purchasing approval escalation method according to organizational governance. This ensures the project manager follows the correct approval thresholds, routing, and decision rights for high-value equipment purchases. Option B attempts to bypass governance. Option C may be inappropriate because not all purchase approvals automatically belong to the sponsor; the authority should follow established organizational rules. Option D is poor project management because equipment choices should be based on project needs and approved procurement processes, not on avoiding approval requirements. PMP-style logic emphasizes working within governance boundaries and establishing proper escalation and authorization paths before purchases are made.

The project manager should make sure the analyst has regular pairing meetings with the other team member throughout task execution, as this is part of developing project team. Developing project team involves improving the competencies, interaction, and environment of the team members to enhance project performance. By making sure the analyst has regular pairing meetings, the project manager can facilitate knowledge sharing, collaboration, and mentoring among the team members, and address the analyst's concerns and needs. The other options are not the best ways to handle this situation, as they either ignore, transfer, or delay the analyst's concerns and development. References: (Professional in Business Analysis Reference Materials source and documents) PMBOK Guide, 6th edition, Chapter 9, Section 9.3 PMP Exam Content Outline, June 2019, Domain III, Task 9 PMP Sample Test Questions, Question 186