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: Social & Preventive Medicine
[{'content': 'According to Registration of Births and Deaths Act 1969, the birth and death are to be registered, respectively in \nSelect and explain. \nA. 14 days and 7 days, B. 7 days and 14 days, C. 21 days and 21 days, D. 14 days and 21 days', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]