Which of the Following Is a Major Hormonal Event at the Onset

Multiple Choice

Which of the following is a major hormonal event at the onset of puberty?

A) The hypothalamus decreases its production of GnRH.
B) Circulating levels of FSH decrease rapidly.
C) Ovarian cells become less sensitive to FSH.
D) Testicular cells become less sensitive to LH and FSH.
E) Pituitary gland cells become more sensitive to GnRH.