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': 'All the following are characteristics if CD4 cell count drops below 100 cells in AIDS, EXCEPT: \nSelect and explain. \nA. Non Hodgkin Lymphoma, B. Persistant generalized lymphadenopathy, C. Cryptococcal meningitis, D. CNS toxoplasmosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]