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': 'Inverse agonist of the benzodiazepine receptor is: \nSelect and explain. \nA. Phenobarbitone., B. Flumazenil., C. Beta carboline., D. Gabapentin.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]