This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood disorders, Subject name: Psychiatry
A young lady lost her job, loss of appetite wakes up at 3 am. What's the diagnosis 
Select and explain. 
A. Depression, B. Schizophrenia, C. OCD, D. Mania
A: Depression
Answer: A: Depression 
Explanation: In this question, the details are inadequate, however among the given options the best answer is A, depression