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': 'The preferred treatment of verrucous carcinoma of the larynx is - \nSelect and explain. \nA. Pulmonary surgery, B. Electron beam therapy, C. Total laryngectomy, D. Endoscopic removal', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]