During the Exhaustion Stage of the General Activation Syndrome (GAS)

During the exhaustion stage of the general activation syndrome (GAS) :

A) energy reserves become so taxed and depleted that the body starts to give up
B) energy reserves are replenished and arousal levels return to normal
C) the autonomic nervous system becomes temporarily inactivated
D) the reticular formation begins to secrete cortisol into the bloodstream