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: ENT
[{'content': 'M/C nerve injured in ligation of superior thyroid artery \nSelect and explain. \nA. Recurent laryngeal nerve, B. Facial nerve, C. Mandibular neve, D. External laryngeal nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]