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': 'Activation of which of the following receptors would be expected to decrease anxiety \nSelect and explain. \nA. Nicotinic cholinergic receptors, B. Glutamate receptors, C. GABA receptors, D. Glucocorticoid receptors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]