This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'The specific antagonist for benzodiazepine is:(1990) \nSelect and explain. \nA. Flumazenil, B. Alprazolam, C. Di-iso propyl phenol, D. Naltrexone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: aRef: KDT, 5th ed, p. 367', 'role': 'assistant'}]