This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
A chronic alcoholic is presenting with clinical features of meningitis. Most likely organism which will grow on CSF culture: 
Select and explain. 
A. Streptococcus pneumoniae, B. N. meningitidis, C. Listeria monocytogenes, D. E coli
A: Streptococcus pneumoniae
Answer: A: Streptococcus pneumoniae 
Explanation: Streptococcus pneumoniae REF : ananthanarayana 10th ed