If You Know a Man Who Has a Homosexual Orientation,what

If you know a man who has a homosexual orientation,what could you reasonably predict about him

A)  He has been attracted only to members of the same sex. 
B)  He has had awareness of the orientation since childhood. 
C)  His pathway to becoming a homosexual is very similar to that of a female who is homosexual. 
D)  His circulating hormone levels differ from someone else of the same sex.