This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
[{'content': 'Daily per capita water supply considered to meet the needs of all urban domestic purposes is \nSelect and explain. \nA. 50-100 litres, B. 100-150 litres, C. 150-200 litres, D. 200-250 litres', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A daily supply of 150- 200 litres per capita is considered as an adequate supply to meet the needs for urban domestic purposes and 40 L for rural. (PARK TB of social and preventive medicine 25th edition pg 766)', 'role': 'assistant'}]