Many People Find It Difficult to Assert Themselves Because

Many people find it difficult to assert themselves because

A) most of us have been rewarded, first as children and later as adults, for compliant, obedient, or "good" behavior.
B) they are anxious about "making a scene" or dealing with a confrontation.
C) they do not want people to dislike them after they assert themselves.
D) of all of these reasons.