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
Which of the following drug does not affect GABAA gated chloride channel ? 
Select and explain. 
A. Muscimol, B. Alcohol, C. Picrotoxin, D. Buspirone
D: Buspirone
Answer: D: Buspirone 
Explanation: None