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: Pathology
[{'content': 'Reactivation of TB most commonly located near: \nSelect and explain. \nA. Apex, B. Near bronchus, C. Subpleurally, D. Base', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]