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': "Hallmark of tuberculous inflammation are all, except: \nSelect and explain. \nA. Caseous necrosis, B. Langhan's cells, C. Epithelioid cell granuloma, D. Liquefactive necrosis", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]