An Example of Sexual Behaviour Used for Nonsexual Purposes Would

An example of sexual behaviour used for nonsexual purposes would be

A) a teenage girl having sex and becoming pregnant to ensure getting out of her parents' house
B) engaging in sexual activity as an end in itself.
C) renting a movie on a Sunday afternoon in order to be physically stimulated so that the result is sexual intercourse
D) engaging in sexual intercourse only when the female is potentially fertile