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': 'Elimination after 4 half lives in first order kinetic is: \nSelect and explain. \nA. 84%, B. 93%, C. 80.50%, D. 75%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]