Sadie Is Taking the Maximum Number of Classes Allowed, Has

Multiple Choice

Sadie is taking the maximum number of classes allowed, has joined three different volunteer groups, talks excessively, and is full of energy. After a month, she lapses into a severe state of depression lasting a few weeks before bouncing back to her highly energized self. This description best fits

A) bipolar disorder.
B) severe depression.
C) severe mania.
D) unipolar depression.
E) schizoaffective disorder.