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': 'Baclofen is : \nSelect and explain. \nA. Centrally acting muscle relaxant, B. Peripherally acting muscle relaxant, C. Both centrally and peripherally acting muscle relaxant, D. Direct acting muscle relaxant', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]