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': 'A pt. presents in emergency with a cervical spine fracture. First thing to do is - \nSelect and explain. \nA. Locate the fracture by shifting the pt. side to side, B. X-ray of spine, C. Clear the airway and intubate him, D. Immobilise the cervial spine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]