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': 'A prodrug is \nSelect and explain. \nA. The proto type member of a class of drugs, B. The oldest member of a class of drugs, C. An inactive drug that is transformed in the body to an active metabolite, D. A drug that is stored in body tissues and is then gradually released in the direction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]