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: Pathology
[{'content': 'Most common site of myocardial infarction is ? \nSelect and explain. \nA. Ant. wall of left ventricle, B. Post. wall of right ventricle, C. Post. wall of left ventricle, D. Inf. wall of left ventricle', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Ant. wall of left ventricle", 'role': 'assistant'}]