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: Pediatrics
The most common causative agent of meningitis in the age group of 6 months-3 year amongst the following is - 
Select and explain. 
A. Streptococcus, B. H. influenzae, C. Staphylococcus, D. N. gonorrhoeae
B: H. influenzae
Answer: B: H. influenzae 
Explanation: Ans is 'b' i.e., H. influenza o Amongst the given options, H. influenzae is the best answer because pneumococcus and meningococci are not there in options.