Beth, While Riding Her Bicycle Down a City Street, Was

Beth, while riding her bicycle down a city street, was nearly knocked into traffic by the abrupt opening of a parked car door. What did her hypothalamic-pituitary-adrenal axis do in response to the perceived stressor?

A) The hypothalamus communicated with the adrenal glands, which told the pituitary gland to release testosterone into the bloodstream.
B) The hypothalamus communicated with the pituitary gland, which told the adrenal glands to release cortisol into the bloodstream.
C) The hypothalamus communicated with the pituitary gland, which told the adrenal glands to release norepinephrine into the bloodstream.
D) The hypothalamus communicated with the adrenal glands, which told the pituitary gland to release adrenaline into the bloodstream.