In His Role as a Coach or Team Developer, a Manager

In his role as a coach or team developer, a manager is primarily involved in:

A) serving as the peer leader and networking hub for a special task force.
B) serving as a helpful contributing member of a project team.
C) looking out for "free-riding" in groups and preventing its occurrence.
D) serving as a team's advisor on ways to improve processes and performance.
E) working together with the team and solving problems through computer-based interactions.