With Respect to Premarital Sex

With respect to premarital sex:

A) attitudes have become more disapproving since 2000.
B) three-quarters of Americans believe that it is only "sometimes or not at all wrong."
C) by age 25, 88 percent of women and 89 percent of men have engaged in premarital sex.
D) older people are more likely than younger people to approve of premarital sex.
E) casual sex is becoming less common.