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
[{'content': 'Single dose aminoglycoside administration is more preferable than 8 hourly dose because of : \nSelect and explain. \nA. MIC, B. Increase perfusion of renal cortex, C. Post antibiotic effect, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]