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: Medicine
[{'content': 'Trans-esophageal echocardiogram (TEE) is superior to trans-thoracic echocardiogram (TTE) because of \nSelect and explain. \nA. Convenient, B. Is more sensitive in picking up left ventricular apical thrombus, C. Is more sensitive in picking up atheromatous plaques in ascending thoracic aorta, D. TTE is more sensitive in picking up atrial appendage thrombus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]