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': 'Hypotension in case of gas gangrene is best treated by \nSelect and explain. \nA. Ringer Lactate, B. Normal Saline, C. Plasma, D. Whole blood', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]