In the Context of Research Findings on Friendship, Which of the Following

In the context of research findings on friendship, which of the following statements is true?

A) People who adhere to the rules of friendship have more intimate and satisfying relationships than those who don't.
B) In general, men expect more loyalty and similarity in friendships than women do.
C) People generally expect their friends to be dissimilar to them in attitude and interests.
D) People who value their friendships show less commitment in romantic relationships than those who don't.