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: Dental
Beveling of the pulpoaxial line angle of a class II cavity
is done to: 
Select and explain. 
A. Increase the strength of the restoration, B. Improved marginal adaptation, C. To prevent the fracture of enamel, D. To prevent the fracture of amalgam
D: To prevent the fracture of amalgam
Answer: D: To prevent the fracture of amalgam 
Explanation: None