Research on the Sexual Activity of Adolescents Indicates That

Multiple Choice

Research on the sexual activity of adolescents indicates that

A) over one quarter of all adolescents have experienced sexual intercourse by the 10th grade.
B) over half of all adolescents have experienced sexual intercourse by the 12th grade.
C) over one-third of all adolescents have experienced sexual intercourse by the 12th grade.
D) over 90% of all adolescents have experienced sexual intercourse prior to completing high school.