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': 'Choose the appropriate lettered site or structure in this CT scan of the thorax. Takes its origin from the left ventricle and ends at the sternal angle? \nSelect and explain. \nA. A, B. B, C. C, D. D', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (d) The ascending aorta takes its origin from the left ventricle and ends at the level of the sternal angle by becoming the arch of the aorta.', 'role': 'assistant'}]