Which of the Following Statements About Marital Sexuality Is True

Which of the following statements about marital sexuality is true?

A) Married couples are more likely to engage in oral sex than in the past.
B) Today's married couples are more likely to sustain the frequency of sexual intercourse for decades into the marriage.
C) There is a dramatic double standard in adultery-significantly more men than women have affairs.
D) Sexual activity has little impact on marital satisfaction.