Friendships Are Especially Important in Social Development Because Children and Adolescents

Friendships are especially important in social development because children and adolescents:

A) can practice cooperation and reciprocity only with people they care deeply about.
B) are deeply committed to those relationships and will develop the skills needed to maintain them.
C) develop high self-esteem only if they participate in enjoyable recreational activities at least twice a week (on average) .
D) develop internal standards for behaviour only when friends reinforce such standards.