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': 'What is true about Mollaret meningitis? \nSelect and explain. \nA. Is caused by herpes simplex 2 in most of the cases, B. A recurrent, benign, septic meningitis, C. It is now referred to as "Benign rcurrent neutrophilic . . Meningitis", D. All of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Harrison's principles of internal medicine 17th edition. *Most of cases of recurrent viral or aseptic meningitis including cases previously diagnosed as mollaret's meningitis are likely due to HSV-2.", 'role': 'assistant'}]