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
An anxiolytic, not interacting with GABAergic system and used in generalized anxiety is 
Select and explain. 
A. Alprazolam, B. Diazepam, C. Buspiron, D. Phenobarbital
C: Buspiron
Answer: C: Buspiron 
Explanation: None