Adolescent Sexuality Is Affected by a Variety of Factors

Adolescent sexuality is affected by a variety of factors.Which of the following is not one of these factors?

A) For adolescent girls,sex occurs most often within casual relationships.
B) Young teens are less likely to engage in sexual intercourse and have fewer partners if their mothers monitor their activities,maintain good communication,and have strict attitudes about adolescent sex.
C) Teens are more likely to engage in sexual activities if they live in single-parent or remarried families.
D) Cultural attitudes and expectations can promote female premarital abstinence.