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: Microbiology
Treatment of choice of meningococcal infection is - 
Select and explain. 
A. Tetracycline, B. Clindamycin, C. Gentamycin, D. Cephalosporin
D: Cephalosporin
Answer: D: Cephalosporin 
Explanation: None