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': 'Methyl dopa acts on which of the following receptor? \nSelect and explain. \nA. α2, B. α1, C. β1, D. D1', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]