Which of the Following Is True of Work Teams

Which of the following is true of work teams?

A) They operate separately from the regular work structure of the firm on a temporary basis.
B) They typically are well defined and a clear part of the formal organizational structure.
C) They are the least common types of teams found in organizations.
D) They only exist in a traditional work environment.
E) They are not directly involved in manufacturing or providing services, but they support other teams that are involved in these activities.