Meningitis

Question:

What is the most likely diagnosis based on the CSF findings below:
Glucose:   50 mg/dl
Protien:    90 mg/dl
WBC:       120/mm3 
           Neutrophils:  15%
           Lymphocytes:75%
           Monocytes:10%
Gram stain: N/A
a. Tubercular meningitis
b. Bacterial meningitis
c. Viral meningitis
d. Fungal meningitis