When a person has episodes of hypomania that shift back and forth with mild depression for at least two years, he or she has what form of bipolar disorder?
A. Bipolar I Disorder
B. Bipolar II Disorder
C. Cyclothymic Disorder
D. BP-NOS
2 answers
http://www.nimh.nih.gov/health/publications/bipolar-disorder/complete-index.shtml
So, it's C right?