Which of the Following Statements About Parent-Adolescent Communication About Sex

Which of the following statements about parent-adolescent communication about sex is true?

A) Adolescents are more receptive to having one "big talk" about sex than having multiple conversations over a period of time.
B) Sexually active adolescents overestimate their parents' disapproval of sexual activity.
C) Parents assume that if they disapprove of sexual activity, their adolescent is not likely to be sexually active.
D) What parents say they have discussed with their adolescent child generally matches what adolescents say they have discussed with their parents.