Choose the statements that correctly describe the physiological processes occurring in the ovaries:
A. The theca interna cells develop the ability to secrete steroid sex hormones after stimulation by LH.
B. The granulosa cells are responsible for the secretion of GnRH.
C. Estrogen secretion from the follicle diminishes immediately after ovulation.
D. FSH and LH cause rapid swelling and subsequent ovulation of the follicle.