Which of the Following Statements Is True of Peer Groups

Which of the following statements is true of peer groups in middle childhood?

A) Children segregate themselves by sex and engage in different activities because of boys' higher activity levels and more vigorous play.
B) Boys have more intimate conversations characterized by prosocial interactions and shared confidences.
C) Same-sex peer groups prevent children from incorporating gender roles into their self-concept.
D) Boys' and girls' peer groups engage in similar types of activities.