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
Schneider's 1st rank symptoms seen in- 
Select and explain. 
A. Delusion, B. Hallucination, C. Schizoid personality, D. Schizophrenia
D: Schizophrenia
Answer: D: Schizophrenia 
Explanation: None