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: Anatomy
[{'content': 'True statement among the following regarding diaphragm\nis \nSelect and explain. \nA. Thoracic duct is a content of Oesophageal opening, B. Left Vagus nerve passes via Venacaval opening, C. Azygos vein is a content of Aortic opening, D. Sympathetic chain passes behind lateral arcuate ligament', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Azygos vein, Aorta and Thoracid duct are the contents of Aortic opening.', 'role': 'assistant'}]