For the Past Month,Miko Seems to Have Lost Interest in Most

Multiple Choice

For the past month,Miko seems to have lost interest in most of his normal activities.He feels irritable,and he has had difficulty sleeping.He also finds that he has difficulty making decisions.Which disorder is most consistent with Miko's symptoms

A)  cyclothymia 
B)  major depressive disorder 
C)  bipolar disorder 
D)  anhedonia