While Instructing a Couple Regarding Birth Control,the Nurse Should Be

While instructing a couple regarding birth control,the nurse should be aware that the method called natural family planning:

A) Is the same as coitus interruptus,or "pulling out"
B) Uses the calendar method to align the woman's cycle with the natural phases of the moon
C) Is the only contraceptive practice acceptable to the Roman Catholic Church
D) Relies on barrier methods during fertility phases