The correct answer is B. To present the Scrum Teams with insights and resources that help them improve.
According to the Scrum Guide 1 , "The role of management in Scrum is to support the Product Owner with insights and information into high-value product and system capabilities." Management also helps the Scrum Team by providing an environment that fosters agility, learning, and collaboration 2 . Management does not directly control or monitor the work of the Developers, nor does it interfere with the self-organization and autonomy of the Scrum Team 3 . Management's function in Scrum is to enable and empower the Scrum Team to deliver value and continuously improve.

The correct answer is B because cross-functional teams in Scrum are not optimized to work on only one component or one technical layer of a system. A cross-functional Scrum Team has all the skills necessary to create value each Sprint and deliver a usable Increment. This means the team should be capable of working across the different skills and disciplines needed to complete Product Backlog items according to the Definition of Done.
If a team is organized around only one component or specialty, it creates handoffs, dependencies, and silos.
Those conditions reduce agility and make it harder to deliver a complete Increment each Sprint. Scrum instead favors teams that can collaborate across analysis, design, development, testing, and other needed capabilities so they can produce finished product value rather than partial technical output.
Cross-functionality supports self-management and reduces delays caused by waiting on other specialists or teams. It helps the Scrum Team focus on outcomes instead of isolated activities. In Scrum, the goal is not local optimization of a single layer or function. The goal is delivering complete, useful, high-value Increments frequently and transparently.

The Scrum Master should be concerned about the ability of the Development Teams to produce integrated Increments, as this is one of the goals of Scrum. The Scrum Master should also encourage the Development Teams to figure out a solution for themselves, as this fosters self-management and collaboration. The other options are not relevant or important for the Scrum Master in this situation.

According to the Scrum Guide 1 , during each Daily Scrum, each Developer answers three questions:
* What did I do yesterday that helped meet our Sprint Goal?
* What will I do today to help meet our Sprint Goal?
* Do I see any impediment that prevents me or our Development Team from meeting our Sprint Goal?
The Developers can select whatever structure and techniques they want, as long as their Daily Scrum focuses on progress toward achieving their Sprint Goal and producing a usable Increment. The other options are not relevant or appropriate for the Daily Scrum.
References: Scrum Guide

During the Sprint Retrospective, the Scrum Team may add items to the Sprint Backlog for the next Sprint, as stated in [5] : "The purpose of each Sprint Retrospective is to plan ways to increase quality and effectiveness.
The Scrum Team plans ways to implement improvements identified during this meeting into its way of working. By doing this it reinforces empiricism throughout its work. Improvements may be implemented at any time during a Sprint or they may be planned for subsequent Sprints."