John Has Been Having Difficulties Getting Out of Bed,and Is

Multiple Choice

John has been having difficulties getting out of bed,and 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) learned helplessness.
C) major depressive disorder.
D) bipolar disorder.