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': 'Maintainance dose of a drug depends upon ? \nSelect and explain. \nA. CL, B. Vd, C. Lethal dose, D. Loading dose', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., CL", 'role': 'assistant'}]