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': 'Recurrent laryngeal nerve is in close association with- \nSelect and explain. \nA. Superior thyroid artery, B. Inferior thyroid artery, C. Middle thyroid vein, D. Superior thyroid vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]