Regarding Sexual Attitudes and Behaviors, Which of the Following Statements

Regarding sexual attitudes and behaviors, which of the following statements is FALSE?

A) One poll found that 80 percent of people think that extramarital sex is acceptable under some circumstances.
B) Over a year, only about four percent of married people have sex partners other than their spouse.
C) In a 2013 poll, more than 70 percent of young adults said they approved of premarital sex.
D) Changes in actual sexual behavior are still larger than changes in sexual attitudes.