This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Sequence of resuscitation in a trauma patient: \nSelect and explain. \nA. Circulation, airway and breathing, B. Airway, breathing and circulation, C. Airway, circulation and breathing, D. Breathing, airway and circulation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - First step- cervical spine protection | ABCDE A - Airway maintenance B - Breathing C - Circulation D - Disability (brief neurological examination) E - Exposure and environment control', 'role': 'assistant'}]