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': 'True about bronchopulmonary aspergillosisa) Eosinophil count > 1 x 109/ mlb) Commonly associated with bronchial asthmac) Sputum positive to-aspergillus antigen  d) ↑ed Ig Ge) Lower lobe predominance \nSelect and explain. \nA. abc, B. acd, C. bcd, D. bd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]