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': 'Characteristic pathological feature of pneumo coccal pneumonia - \nSelect and explain. \nA. Consolidation of airway, B. Interstitial pneumonitis, C. Increased eosinophils, D. Hilar lymphadenopathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]