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': 'First step taken in case of Multiple injuries of face & neck - \nSelect and explain. \nA. Blood transfusion, B. IV fluids, C. Reconstruction, D. Maintainence of airways', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]