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: Forensic Medicine
Schizophrenia is characterized by: Kerala 06 
Select and explain. 
A. Delusion and hallucination, B. Tremor and delusion, C. Obsession and delusion, D. Autonomic disturbance
A: Delusion and hallucination
Answer: A: Delusion and hallucination 
Explanation: Ans. Delusion and hallucination