The project manager should evaluate the consequences and meet with the client to explain the possible scenarios. This is because the project manager needs to balance the competing demands of scope, time, cost, quality, and stakeholder satisfaction. The project manager should not hire the resource without the client's approval, as this would violate the terms of the contract and the trust relationship. The project manager should not ask the client for a meeting and explain that the task will not be performed, as this would compromise the project objectives and quality standards. The project manager should not try to accomplish the task internally by leveling resources from other projects, as this would create risks and dependencies for both projects and potentially affect their performance. The project manager should evaluate the consequences of not hiring the external resource, such as the impact on the project schedule, quality, scope, and risks. The project manager should also identify alternative solutions, such as negotiating with the client, finding another resource, or modifying the project plan. The project manager should then meet with the client and explain the possible scenarios, highlighting the benefits and drawbacks of each option. The project manager should seek the client' s input and feedback and try to reach a mutually agreeable solution that satisfies the project requirements and the client's expectations. References: PMBOK Guide, 6th edition, section 4.2, page 89, PMP Exam Prep, 10th edition, page 106

The project manager should first meet with the stakeholder to better understand their expectations and update the stakeholder engagement plan. The stakeholder engagement plan is a component of the project management plan that identifies the strategies and actions required to promote productive involvement of stakeholders in project decisions and execution1. By meeting with the stakeholder, the project manager can identify the stakeholder's information needs, communication preferences, and level of interest and influence on the project. This will help the project manager to tailor the periodic reports and other communication methods to meet the stakeholder's expectations and increase their satisfaction and support for the project2.
Option A is not the best answer because adding the stakeholder details into the periodic reports and updating the project management plan is a possible action to take after meeting with the stakeholder and understanding their expectations. It is not the first thing to do.
Option B is not the best answer because inviting the stakeholder to all future project review meetings and updating the project management plan is also a possible action to take after meeting with the stakeholder and understanding their expectations. It is not the first thing to do.
Option C is not the best answer because updating the project management plan with the new information and informing all of the relevant stakeholders is a general and vague action that does not address the specific issue of the stakeholder's complaint. It is not the first thing to do. References: 1: PMBOK Guide, 7th Edition, Section 13.1.3.1, Stakeholder Engagement Plan 2: PMBOK Guide, 7th Edition, Section 13.2.2.4, Communication Requirements Analysis

The project manager should conduct a consensus-building session to decide how to approach the next set of work, as this is a collaborative decision-making technique that involves the participation of all team members and stakeholders. The project manager should facilitate the discussion, clarify the objectives, identify the options, evaluate the pros and cons, and reach a mutually acceptable agreement. This will help to resolve the conflict, align the expectations, and ensure the commitment of the team and the stakeholders. The other options are not the first actions that the project manager should take, as they may either delay the decision, bypass the team's input, or ignore the conflict. References:
* [PMBOK Guide], 6th edition, pages 56-57, 376-377, 513-514.
* [Professional in Business Analysis (PMI-PBA) Handbook], pages 15-16, 19-20.

In a hybrid project management approach, which combines elements of both traditional and agile methodologies, it is essential to address quality issues promptly to minimize their impact on the project timeline and budget. The agile aspect of the hybrid approach emphasizes continuous improvement, team collaboration, and adaptability. Therefore, addressing quality issues during the next sprint planning meeting allows the project team to discuss and implement corrective actions swiftly. This aligns with the agile principle of inspecting and adapting, where the team reflects on how to become more effective and adjusts its behavior accordingly.
PMBOK Guide - Sixth Edition and Agile Practice Guide
The PMI Guide to Business Analysis
Project Quality Management According to the PMBOK

Kanban method offers a simple and effective way to manage your tasks and projects. It is based on two rules:
visualization of workflow and limitation of the number of tasks being in progress at a time. By following these two principles, you save time which you'd normally spend on getting organized, and can perform your tasks much quicker.