This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Interstitial Lung Disease, Subject name: Medicine
[{'content': 'Bronchocentric granulomatosis commonly occurs due to? \nSelect and explain. \nA. Hypersensitivity reaction to Aspergillus, B. Immunological reaction to HIV, C. Damage by c- ANCA, D. Damage by p-ANCA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bronchocentric Granulomatosis is characterized by peri-bronchial necrotising granulomatous inflammation. It occurs due to: Hypersensitivity reaction to Aspergillus in patients with asthma. In patients without asthma, rheumatoid ahritis and infections like TB are associated. Immunological reaction to HIV virus leads to lymphocytic interstitial pneumonitis.', 'role': 'assistant'}]