Which of the Following Statements Are True of the Vagina

Which of the following statements are true of the vagina and vulva (Select all that apply) ?

A) The vagina is also the birth canal.
B) The labia majora and minora cover the urethral and vaginal openings and prevent drying of their mucous membranes.
C) The clitoris is a sensory organ for sexual arousal.
D) The secretion of Bartholin's glands helps facilitate the movement of an ovum.