George, a 22-year-old mechanic, always seems to have a cloud over his head. For the past three years, he has had problems sleeping and he has little appetite or enjoyment of food. While he may sometimes seem to be relatively content for short periods of time, this happens very rarely and it never lasts for more than a week. If George were to seek help for his negative mood state, which of the following diagnoses would he most likely receive?
a. Adjustment disorder with depressed moodb. Chronic adjustment disorder with depressed moodc. Bipolar IId. Major depressive disorder

Major depressive disorder--- D

Explanation: Major depressive disorder is a  common clinical depression disorder that affect how an individual thinks, feels and  performs his or her daily activities in all areas of their lives due to  accumulation of different thoughts  in their head  leading to distortion in mood and behavior affecting their sleeping pattern and can cause  loss of appetite.

George, a 22-year-old mechanic, who always seems to have seem to have such sleeping and appetite problems combined with accumulation of thoughts in his head should see help and would likely be diagnosed with MDD, Major Depressive Disorder.