One Reason Some Group Members Insist on Their Positions and "Fight

Multiple Choice

One reason some group members insist on their positions and "fight to the death" is because:

A) their idea is objectively the best idea.
B) someone must dominate the group or no decision will be made.
C) the person likely believes rejection of his/her idea is a rejection of him/her as a person.
D) winning is everything in communication.