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 is NOT the appropriate treatment of hyperthyroidism due to subacute lymphocytic thyroiditis ? \nSelect and explain. \nA. Propylthiouracil, B. Radioactive iodine ablation, C. Subtotal thyroidectomy, D. Beta blockers', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]