In Which of These Ways Does a Man's Sexual Response

In which of these ways does a man's sexual response differ from a woman's?​

A) Unlike women, a man shows physiological responses during the first stage of arousal.
B) ​On average, the plateau stage of sexual response lasts much longer in a man.
C) ​A man's orgasm lasts about twice as long as a woman's.
D) ​After orgasm, men have a refractory period that temporarily blocks further response.