This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
[{'content': '22.Regarding ethmoidal polyp,which of the following is true: \nSelect and explain. \nA. epitaxis, B. Unilateral, C. <10 years, D. Associated with Bronchial asthama', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref: Dhingra 7e pg 195.', 'role': 'assistant'}]