Which of the Following Correctly Describes the Hypothalamic-Pituitary-Adrenal (HPA) Axis's

Which of the following correctly describes the hypothalamic-pituitary-adrenal (HPA) axis's response to stress?

A) The pituitary gland releases cortisol, which signals the hypothalamus to turn on the stress response.
B) Cortisol signals the hypothalamus of stress; the pituitary triggers appropriate hormonal responses.
C) The hypothalamus signals the pituitary gland to trigger the adrenal production of cortisol.
D) The adrenal gland produces hormones that trigger the hypothalamus and pituitary gland to prepare behavioral responses.