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': 'Diffuse lymphadenopathy in AIDS patient indicates - \nSelect and explain. \nA. Lymphoma, B. TB, C. No specific infection, D. Fungal infection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]