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 an injury with multiple fractures, most impoant is \nSelect and explain. \nA. Airway maintenance, B. Blood transfusion, C. Intravenous fluids, D. Open reduction of fractures', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Airway maintenance', 'role': 'assistant'}]