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 : 
Select and explain. 
A. Anxiety neurosis, B. Manic Depressive Psychosis, C. Adjustment reaction, D. Adjustment reaction
D: Adjustment reaction
Answer: D: Adjustment reaction 
Explanation: D i.e. Schizophrenia