This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A 40 year old male Raghu, is brought to psychiatric OPD with complaints of 6 months of odd and disorganized behavior. He also hears voices commenting about him. The likely diagnosis is 
Select and explain. 
A. Schizophrenia, B. Delusional disorder, C. Major depression, D. Conversion disorders
A: Schizophrenia
Answer: A: Schizophrenia 
Explanation: Patient has auditory hallucinations and disorganized behavior, 2 out of 5 symptoms are present according to diagnostic criteria. And the symptoms are present for past 6 months, which suggests of schizophrenia.