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: Medicine
[{'content': 'A 40 year old man presented with repeated episodes of bronchospasm and hemoptysis. Chest X - ray revealed perihilar bronchiectasis. The most likely diagnosis is - \nSelect and explain. \nA. Sarcoidosis, B. Idiopathic pulmonary fiborsis, C. Extrinsic allergic alveolitis, D. Bronchopulmonary aspergillosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]