In the embryonic differentiation of a normal male

A)undifferentiated gonads develop into testes during the fifth week of embryonic life.
B)the Wolffian ducts regress.
C)Mullerian inhibiting substance is absent.
D)testosterone directly stimulates development of the epididymis,vas deferens,and seminal vesicles.
E)testosterone directly stimulates development of the penis and scrotum.