Which of the Following Statements Is True About Helen Singer

Which of the following statements is true about Helen Singer Kaplan's views on the development of sexuality in women across the lifespan?

A) Women reach their complete potential for sexual enjoyment by their late teens.
B) Women have the greatest incidence of extramarital sex in their early twenties.
C) Women have a markedly slower sexual response mechanism by their mid-thirties.
D) Women develop the ability to orgasm more consistently in their mid-thirties.