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
The specific antagonist for benzodiazepine is:(1990) 
Select and explain. 
A. Flumazenil, B. Alprazolam, C. Di-iso propyl phenol, D. Naltrexone
A: Flumazenil
Answer: A: Flumazenil 
Explanation: aRef: KDT, 5th ed, p. 367