John Is Not Interested in Going Out with Friends or Even

Multiple Choice

John is not interested in going out with friends or even answering the phone.He has let a number of bills go unpaid,he is sleeping 12 to 14 hours a day,and he cannot concentrate at work.He has called in sick to work at least once each week.John is most likely suffering from

A) disruptive mood dysregulation disorder.
B) social anxiety disorder.
C) major depressive disorder.
D) bipolar disorder.