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: Pathology
[{'content': 'Frequent bouts of epistaxis are a conspicuous feature of \nSelect and explain. \nA. Encephalotrigeminal angiomatosis, B. Hereditary haemorrhagic telangiectasia, C. Nasopharyngeal angiofibroma, D. Vascular nevus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]