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': "A child's CSF was examined, I contains slightly raised or normal PMN cells, raised lymphocytes, absence of mycotic growth, value of protein is normal or above normal, glucose level is normal. The most probable diagnosis is: \nSelect and explain. \nA. Pyogenic bacterial meningitis, B. Viral meningitis, C. Fungal meningitis, D. Tuberculous meningitis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]