This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'The crude death rate of a population is 8/1000. So the beds for this population must be- \nSelect and explain. \nA. 4\\/1000, B. 8\\/1000, C. 10\\/1000, D. 2\\/1000', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]