All of the Following Are Problems with Defining "Real-Sex" as Coitus

All of the following are problems with defining "real-sex" as coitus EXCEPT:

A) it excludes lesbian-gay-bisexual (LGB) individuals from being able to have "sex."
B) it defines everyone who has engaged in some sort of sexual activity, but not coitus, as "technically virgins."
C) it would label a woman who was raped, but has never had coitus with anyone else, as a nonvirgin.
D) it would label a man who has masturbated alone as a nonvirgin.