This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'All of the following structures pass through the superior apeure of thorax except \nSelect and explain. \nA. Right recurrent laryngeal nerve, B. Left common carotid aery, C. Left sympathetic trunk, D. Thoracic duct', 'role': 'user'}, {'content': "Answer: A \nExplanation: Left common carotid aery, left sympathetic trunk, thoracic duct pass through Superior inlet of thorax.while not right recurrent laryngeal nerve. BD chaurasia's human anatomy volume1 6th edition. Page no 192.picture 12.12", 'role': 'assistant'}]