What Function Do Friendships Serve During the Middle Childhood Years

What function do friendships serve during the middle childhood years?

A) Friendships provide a child with similar others who reinforce the child's racial identity.
B) Friendships provide physical support that helps the child develop fine motor skills.
C) Friendships provide a training ground for communicating and interacting with others.
D) Friendships provide a greater sense of security than relationships with parents.