What Statement Describes the Function of the Hypothalamus

What statement describes the function of the hypothalamus?

A) The hypothalamus secretes hormones that are transported to target tissues through the circulatory system and directly into the blood stream.
B) The hypothalamus secretes many hormones, which in turn control the release of hormones by the pituitary gland.
C) The hypothalamus regulates the amount of calcium and phosphorus in the blood.
D) The hypothalamus secretes hormones that mimic the action of the sympathetic nervous system.