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': 'In thyroidectomy, 4-5 grams on each side is left is known as: \nSelect and explain. \nA. Near total thyroidectomy, B. Hemithyroidectomy, C. Total thyroidectomy, D. Subtotal thyroidectomy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]