A Newly Married Couple Tell the Nurse They Would Like

A newly married couple tell the nurse they would like to wait a few years before starting a family. The statement made by the man that indicates an understanding about sexual activity and pregnancy is:

A) "My wife can't get pregnant if I withdraw before a climax."
B) "A man can secrete semen before ejaculation."
C) "If we don't have intercourse very often my wife won't get pregnant."
D) "It is safe to ejaculate outside the vagina."