Ulric’s doctor suggested that he consider moving to an area where there is greater sunlight or purchasing a light box that emits a bright light. Given these treatment options, Ulric’s doctor must have diagnosed Ulric with

a. attention-deficit/hyperactivity disorder.

b. a seasonal pattern for depressive disorders or bipolar disorder.

c. posttraumatic stress disorder.

d. antisocial personality disorder.

e. agoraphobia.