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: Surgery
[{'content': 'In a case of acute trauma best guidline for quick replacement of fluids is - \nSelect and explain. \nA. Pulse, B. Hb, C. Urine Output, D. C.V.P.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]