Sally Has Been Having Difficulty Achieving Orgasm During Intercourse

Sally has been having difficulty achieving orgasm during intercourse. If she wants to increase her orgasmic capacity, Sally should . . .

A) engage in vaginal-penile intercourse more frequently, since this is the only way women reliably achieve intercourse.
B) explore how her genitals respond to various types of touch, including manual stimulation and vibrators.
C) avoid any activity that could cause stimulation of the clitoris.
D) have a vacuum pump surgically implanted in her clitoris.