Which of the Following Statements Is FALSE Regarding Sexual Activity

Which of the following statements is FALSE regarding sexual activity?

A) The peak of male sexual activity is at age 18, while the peak for females occurs a little later.
B) The frequency for sexual intercourse is significantly higher for American men than American women.
C) A woman's sex drive is related to her estrogen levels but also is closely related to the testosterone level in her bloodstream.
D) Attitudes toward sex, sexual experience, and frequency of sexual activity all affect one's sex drive.