What Statement Best Represents Current Trends in Adolescent Sexual Behaviour

What statement best represents current trends in adolescent sexual behaviour in Canada?

A) The rate of teens who report having sexual intercourse before age 15 has decreased.
B) The rate of 15- to 19-year-old females who reported ever having intercourse has declined.
C) The rates of sexual activity are higher among teens who are involved in sports or after-school pursuits.
D) The rate of condom use with sexual intercourse among teens of both sexes increases with age.