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
Valvular lesion most often resulting from myocardial infarction is: 
Select and explain. 
A. Aortic stenosis, B. Mitral stenosis, C. Mitral regurgitation, D. Pulmonary stenosis
C: Mitral regurgitation
Answer: C: Mitral regurgitation 
Explanation: None