This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'A 38-year -old man presents with pain and shormess of breath.His pulse rate is 85 per minute, blood pressue is 180/H8 mmHg, and the cardiac Station reveals an ejection systolic murmur.The ECG show LVH pattern and ST depression in the anterior leads.His Troponin T test Is positive.The echocardiogram of the person is likely to reveal- \nSelect and explain. \nA. Aoic regurgitation, B. Aoic stenosis, C. Mitral regurgitation, D. Mial valve prolapsed', 'role': 'user'}, {'content': 'Answer: A \nExplanation: aoic regurgitation R ALAGAPPAN TEXT BOOK.OF GENERAL MEDICAL PRACTICE PAGE.156', 'role': 'assistant'}]