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': 'In bilateral abductor palsy of vocal cords following is done except - \nSelect and explain. \nA. Teflon paste, B. Cordectomy, C. Nerve muscle implant, D. Arytenoidectomy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]