This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'As per DSM minimum period for which symptoms should be present before a diagnosis of schizophrenia can be made is \nSelect and explain. \nA. 4 months, B. 1 month, C. 3 weeks, D. 6 months', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 6 months in DSM 1 month in ICD', 'role': 'assistant'}]