There is friction between team members who were on the team before a merger took place and those who transitioned during the merger. This situation is having an adverse effect on team performance. Which of the following can the project manager do to help resolve this issue?

A. Observe the team during the transition period and give the team time to form.
B. Engage in relationship building by getting both sides to work on tasks together.
C. Report the conflict to human resources and let them address it.
D. Assign tasks between the team members to ensure interaction is limited.