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
Drug inhibiting bacterial protein synthesis are all except- 
Select and explain. 
A. Aminoglycosides, B. Chloramphenicol, C. Clindamycin, D. Sulfonamides
D: Sulfonamides
Answer: D: Sulfonamides 
Explanation: Ans. is `d' i.e., Sulfonamides o Sulfonamides affect intermediary metabolism by inhibiting folate synthase.