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: Surgery
[{'content': "Which of the following conditions is the most common complication of radioiodine treatment of Grave's disease? \nSelect and explain. \nA. Thyroid storm, B. Subacute thyroiditis, C. Thyroid cancer, D. Hypothyroidism", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]