This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Penumococcal meningitis is associated with the following CSF findings \nSelect and explain. \nA. Pleocytosis with low protein and low sugar, B. Pleocytosis with high protein and low sugar, C. Lymphocytosis low protein and low sugar, D. Lymphocytosis high protein and low sugar', 'role': 'user'}, {'content': "Answer: B \nExplanation: Harrison's textbook of internal medicine 17th edition . *Typical finding of CSF in pneumococcal meningitis is increased WBC count (500-10000cells /microL) with _>85%PMNs,an elevated protein level(100-500mg/DL)and decreased glucose level(<30mg/DL).", 'role': 'assistant'}]