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': 'Which of the following disease modifying anti–rheumatic drugs (DMARDs) is the drug of first choice ? \nSelect and explain. \nA. Methotrexate, B. Gold compounds, C. D-penicillamine, D. Anakinra', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]