What should the project lead do next?

A team has been struggling with various issues during the course of an iteration. The project lead facilitates a discussion of the issues and the team forms new team agreements. During the next iteration, some of the same issues appear again

What should the project lead do next?
A . Notify senior management of the issues and have them review the importance of agreements with the team
B. Challenge the team to determine if the issues surfaced again because agreements were not followed
C. Post the agreements in a conspicuous place where all of the team members can see them.
D. Let the team self-organize and determine the best means to prevent the issues from occurring again

Answer: C