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': 'True about Angiofibroma \nSelect and explain. \nA. Radiotherapy is the main treatment, B. Recurrence rate is high, C. Exclusively in females, D. Biopsy is must before initiating treatment', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]