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 amongst the following antimicrobials exhibits a long post antibiotic effect : 
Select and explain. 
A. Quinolones, B. Macrolides, C. Beta-lactams, D. Oxazolidinones
A: Quinolones
Answer: A: Quinolones 
Explanation: None