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
[{'content': 'Which symptom of schizophrenia respond earliest to treatment \nSelect and explain. \nA. Negatavism, B. Paranoid delusions, C. Auditory hallucinations, D. Apathy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Auditory hallucinations', 'role': 'assistant'}]