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: Pharmacology
All of the following are common antimicrobial agents used in the treatment of typhoid fever except : 
Select and explain. 
A. Ceftriaxone, B. Quinolones, C. Clindamycin, D. Azithromycin
C: Clindamycin
Answer: C: Clindamycin 
Explanation: None