Occasionally, Tina can be very irritating to everyone around by being excessively cheerful, talking too fast, and interrupting the conversations of others. During these elated times, she often spends too much money. However, most of the time people would describe Tina as being mostly sad and guilt-ridden. Tina would most likely be diagnosed
a. as dysthymic.
b. with SAD.
c. with bipolar I disorder.
d. with bipolar II disorder.
