Which of the Following Statements About Children's Exposure to Pornography

Which of the following statements about children's exposure to pornography is true?

A) Most pornographic Web sites require adult verification.
B) The number of pornographic Web sites is very small, and thus children do not have ready access.
C) Exposure to pornography is associated with tolerance of aggression toward women.
D) Exposure to pornography is associated with less tolerance of extramarital sex.