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': 'Which one of the following is the most likely diagnosis? \nSelect and explain. \nA. Meningococcal meningitis, B. Subarachnoid haemorrhage, C. Cryptococcal meningitis, D. Tuberculous meningitis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Tuberculous meningitis (TBM) is the most common form of central nervous system tuberculosis (TB) and has very high morbidity and moality. TBM is typically a subacute disease with symptoms that may persist for weeks before diagnosis. Ref Harrison20th edition pg 2345', 'role': 'assistant'}]