This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Social science, Mental health & Genetics, Subject name: Social & Preventive Medicine
[{'content': 'Society has following characters \nSelect and explain. \nA. It controls and regulates behaviour of the individuals, B. Every member must follow norms rigidly, C. Character is dynamic, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ref: 25th Ed Park's Textbook of Preventive and Social Medicine", 'role': 'assistant'}]