Dao, Who Is 23, Identifies Himself as a Gay Male

Dao, who is 23, identifies himself as a gay male. Dao . . . ​

A) by definition has never had a sexual encounter with a woman.
B) by definition has no intention of marrying a woman.
C) if he marries a woman, is very unlikely to pursue sexual encounters with males as well.
D) is particularly likely to marry a woman if the community in which he lives is rejecting toward LGB individuals.