During a Well-Child Check-Up, the Parents of a 9-Year-Old Boy

During a well-child check-up, the parents of a 9-year-old boy tell the nurse that their son's friends told him that soccer is a stupid game, and now he wants to play baseball. Which comment by the nurse best explains the effects of peer groups?

A) "The child's best friends will continue playing soccer."
B) "The children will cheer for each other regardless of the sport being played."
C) "Yourchild will rarely talk to you about his friends."
D) "Acceptance by friends, especially of the same sex, is very important at this age."