If a Secondary Oocyte Is Fertilized and Successfully Implants in the Uterine

If a secondary oocyte is fertilized and successfully implants in the uterine lining,

A) the corpus luteum is maintained until the placenta begins to secrete estrogen and progesterone.
B) the uterine lining undergoes a proliferative phase.
C) the corpus albicans secretes gonadotropin-inhibiting hormone to prevent further follicular development.
D) the ovarian cycle begins again.
E) All of the choices are correct.