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
What is true about Mollaret meningitis? 
Select and explain. 
A. 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
A: Is caused by herpes simplex 2 in most of the cases
Answer: A: Is caused by herpes simplex 2 in most of the cases 
Explanation: 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.