Which of the Following Is Most Consistent with Operant Conditioning

Which of the following is most consistent with operant conditioning?

A) continuing to have sexual intercourse because of having experienced painful intercourse on a consistent basis
B) becoming sexually aroused in a new circumstance that is similar to one's past sexual experiences
C) masturbating as a child even when we know that we will be punished if we are caught
D) sexually responding to our image of what the other gender is doing