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
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 
Select and explain. 
A. abc, B. acd, C. bcd, D. bd
C: bcd
Answer: C: bcd 
Explanation: None