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': 'Stage II laryngeal carcinoma treated by \nSelect and explain. \nA. Radiation, B. Surgery, C. Chemo therapy, D. Neo adjuvant chemotherapy and then surgery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]