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: Medicine
[{'content': 'Which one of the following drugs is most suitable for management of essential tremors- \nSelect and explain. \nA. Diazepam, B. Levodopa, C. Metoprolol, D. Propranolol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]