This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Time dependent killing and prolonged post-antibiotic effect is seen with: \nSelect and explain. \nA. Eluoruquinolones, B. Beta-lactam antibiotics, C. Clindamycin, D. Erythromycin', 'role': 'user'}, {'content': "Answer: B \nExplanation: beta-lactams, glycopeptides and macrolides produce 'time-dependent inhibition' -antimicrobial action depends on the length of time the concentration remains above MIC ESSENTIALS OF MEDICAL PHARMACOLOGY page no 697", 'role': 'assistant'}]