Much Has Been Written About the "Clitoral" and the "Vaginal

Multiple Choice

Much has been written about the "clitoral" and the "vaginal" orgasm.Research has shown that

A) the clitoral orgasm is much to be preferred to the vaginal orgasm.
B) the vaginal orgasm is easier to attain with a female partner.
C) physiologically there is no difference between the clitoral and vaginal orgasm.
D) the vaginal orgasm is a sign that the female has purchased a high quality dildo.