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': 'Most radiosensitine tumor of the following is - \nSelect and explain. \nA. Ca glottis, B. Ca nasopharynx, C. Ca subglotic area, D. Ca thyroid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]