At Any Time Other Than During the Estrus Cycle, the Female

Multiple Choice

At any time other than during the estrus cycle, the female animal will reject the male animal's sexual advances. However, during estrus she becomes a willing sexual partner. What three mechanisms are responsible for this change in attitude?

A) the pituitary gland, the hypothalamus, and the ovaries
B) the pituitary gland, the thalamus, and the ovaries
C) the adrenal gland, the thalamus, and the ovaries
D) the thyroid gland, the hypothalamus, and the ovaries