Time: 120

A 24-year-old man presents with fever, headache, confusion, and neck stiffness. CSF shows high protein, low glucose, and neutrophils. What is the most likely organism?

A. Cryptococcus neoformans

B. Neisseria meningitidis

C. Herpes simplex virus

D. Mycobacterium tuberculosis

E. Listeria monocytogenes