In Terms of Homosexual Behaviour During Adolescence,which One Is TRUE

In terms of homosexual behaviour during adolescence,which one is TRUE?

A) Surveys have shown an increase in such behaviour over the last two decades.
B) Participating in such behaviour is a fairly reliable predictor of adult sexual orientation.
C) Girls do not participate in homosexual behaviour until their early twenties.
D) Girls are more willing to engage in same-sex sexual behaviours than boys