Lesbian Sexual Encounters Tend to Be _______ Than Heterosexual Ones

Lesbian sexual encounters tend to be _______ than heterosexual ones, in part because _______.

A) shorter; no men are involved
B) longer; no men are involved
C) shorter; they can bring each other to orgasm more easily
D) longer; tribadism provides less effective stimulation than coitus.
E) frequent; women have more time for sex than men do