Groupthink Occurs in a Meeting When

Groupthink occurs in a meeting when

A) everyone has an opinion but no one is willing to take charge.
B) everyone has the same idea after using the brainstorming idea-generation technique.
C) there is too much competition among marketing managers, so no one is willing to share his/her ideas.
D) someone suspects that there is a problem with the new product concept but is afraid to speak up because everyone else is so enthusiastic about it.
E) top management wants the new product to go forward regardless of what anyone else thinks.