This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cystic fibrosis & Sleep apnea, Subject name: Medicine
[{'content': "Allergic Broncho-pulmonary Aspergillosis is commonly a complication of: \nSelect and explain. \nA. TB, B. Bronchogenic carcinoma, C. Cystic-fibrosis, D. Wegener's granulomatosis", 'role': 'user'}, {'content': "Answer: C \nExplanation: ABPA is a hypersensitivity reaction to A. Fumigatus and is seen in asthma and cystic fibrosis. Don't confuse with chronic pulmonary aspergillosis which is seen with TB , atypical mycobacteria , sarcoidosis and rheumatoid lung disease .", 'role': 'assistant'}]