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': 'Profuse expectoration of two months durations and clubbing may be seen - \nSelect and explain. \nA. Sarcoidosis, B. Polyarteritis nodosa, C. Pulmonary artery hypertension, D. Allergic bronchopulmonary aspergillosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]