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': 'A 60 year old man presents with chest pain which last 6 hours and is diagnosed as acute myocardial infarction. Angiography showed involvement of anterior descending branch of left coronary artery The most probable site of infarct is- \nSelect and explain. \nA. Anterolateral wall, B. Posterior wall, C. Inferior wall, D. Septal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]