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) Teenagers have been found to be quite naïve about homosexual behaviour and the social attitudes toward it.