Which of the Following Is True About Same Sex Dating

Which of the following is true about same sex dating?

A) Gay men are more likely to self-identify as gay before dating men.
B) Lesbians are more likely to self-identify as lesbians before dating women.
C) Gay relationships are seldom monogamous.
D) Lesbians are more likely to engage in a serious of "hook-ups" before finding a long-term relationship
E) All of the above are true.