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