Of the Millions of Sperm Deposited into the Vagina During

Of the millions of sperm deposited into the vagina during intercourse,only a few hundred reach the secondary oocyte.What happens to the rest?

A) Many leak out of the vagina.
B) Some never become motile.
C) They may be destroyed by the acidic environment of the female tract.
D) They may become disoriented and lose direction.
E) All of the choices are correct.