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': 'Fenoldapam is \nSelect and explain. \nA. D1 agonist, B. D1 α1 β1 agonist, C. D1, α2 agonist, D. D1 D2 agonist', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Fenoldopam is a agonist\xa0 at D1 &\xa0α2 receptor and used in hypertensive emergencies.', 'role': 'assistant'}]