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': 'Regarding ethmoidal polyp, which one of the following is true - \nSelect and explain. \nA. Epistaxis, B. Unilateral, C. < 10 years, D. Associated with bronchial asthma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ethmoidals polyp are multiple and bilateral, and often allergic in origin, therefore may be associated with asthma. They occur mostly in adults.\nEpistaxis in not a clinical feature.', 'role': 'assistant'}]