This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'A 12 kg child with diarrhoea, fluid to be replaced in first 4 hours - \nSelect and explain. \nA. 0-400ml, B. 400-800ml, C. 800-1200ml, D. 1200-1600ml', 'role': 'user'}, {'content': 'Answer: C \nExplanation: <p> 800-1200 ml. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:226. <\\p>', 'role': 'assistant'}]