each semester bob does not start studying until just minutes before midterms then he is forced to work around the clock until after the final exams which makes him sick probably because he is in the ________ phase of ________.

a. alarm; post-traumatic stress syndrome
b. resistance; general adaptation syndrome
c. exhaustion; general adaptation syndrome
d. depletion; post-traumatic stress syndrome
e. stage of resistance; general adaptation syndrome

(i know this is not an english question but i dont see a section for psychology)