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
Which of the following antibiotics acts by inhibiting cell wall synthesis 
Select and explain. 
A. Cefepime, B. Aminoglycosides, C. Erythromycin, D. Doxycycline
A: Cefepime
Answer: A: Cefepime 
Explanation: Cefipime[Ref. K.D.T. 6111/e P 669 & 5111/e p 6281