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 antibiotics act by interfering with cell wall formation EXCEPT : 
Select and explain. 
A. Ceftriaxone, B. Vancomycin, C. Cycloserine, D. Clindamycin
D: Clindamycin
Answer: D: Clindamycin 
Explanation: Clindamycin acts by inhibiting the protein synthesis.