Which of the Following Statements Is True of Sexual Activities

Which of the following statements is true of sexual activities in middle adulthood?

A) The frequency of sexual activities declines dramatically in middle adulthood.
B) The most common sexual problem among men is erectile dysfunction.
C) In the later part of middle adulthood, a majority of women are sexually inactive.
D) Women in middle adulthood whose partners use Viagra report low levels of sexual satisfaction.