Which of the Following Was NOT a Finding of Masters

Which of the following was NOT a finding of Masters and Johnson's research?

A) The vagina adjusts to the size of the penis and subjective feelings of pleasure and intensity of orgasm are not related to penis size.
B) Although individual differences exist in flaccid penis size, there tends to be much less variation in size during erection.
C) The physical responses for women are the same whether it is a clitoral orgasm or a vaginal orgasm.
D) Only about 15 percent of males and less than five percent of females regularly have multiple orgasms.