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
In myocardial infarction, early light microscopic change is - 
Select and explain. 
A. Waviness of fibres, B. Necrosis of fibres, C. Round cell infiltration, D. None
A: Waviness of fibres
Answer: A: Waviness of fibres 
Explanation: None