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 16 year old boy does not attend school because of the fear of being harmed by school mates. He thinks that his classmates laugh at and talk about him. He is even scared of going out to the market. He is most likely suffering from which of the following disorder? 
Select and explain. 
A. Schizophrenia, B. Anxiety neurosis, C. Adjustment reaction, D. Manic Depressive Psychosis
A: Schizophrenia
Answer: A: Schizophrenia 
Explanation: The diagnostic criteria for schizophrenia includes delusion, disorganized speech, disorganized behavior, hallucinations and negative symptoms. Any 2 or more of the above should be present for 6 months or more. The child's features in the question is ouring the diagnosis of schizophrenia. Ref: CURRENT Diagnosis and Treatment: Psychiatry, 2nd Edition, Chapters 18-19