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': 'The first and the most important measure in the\nmanagement of severely injured patient is to: \nSelect and explain. \nA. To maintain airway, B. Start I.V. fluids, C. Arrest bleeding, D. Splinting fractures', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]