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: Medicine
Mollaret's meningitis refers to which of the following? 
Select and explain. 
A. Recurrent pyogenic meningitis, B. Recurrent leptomeningitis due to collagen vascular disease, C. Recurrent meningitis due to hematological malignancy, D. Recurrent benign aseptic meningitis
D: Recurrent benign aseptic meningitis
Answer: D: Recurrent benign aseptic meningitis 
Explanation: Mollaret's meningitis is characterized by recurrent episodes of severe headache, meningismus, and fever; cerebrospinal fluid (CSF) pleocytosis with large "endothelial" cells, neutrophils, and lymphocytes; and attacks separated by symptom-free periods of weeks to months; and spontaneous remission of symptoms and signs. It is a recurrent, benign aseptic meningitis. Ref: Harrison, Edition-18, Page-162