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
Acute meningitis in adolescents and young adults is caused by - 
Select and explain. 
A. N. meningitidis, B. H. Influenzae, C. Streptococcus, D. E. coli
A: N. meningitidis
Answer: A: N. meningitidis 
Explanation: None