Why is synthetic resin preferable to natural resin?

A. Synthetic resin will not crack or dissolve in liquid.
B. Synthetic resin will not yellow up skirt or damage the painting.
C. Synthetic resident will not destroy paint pigment, crack, or yellow pain
D. Synthetic resin will not damage the canvas dissolve in liquid or muddy the painting.

C. Synthetic resin will not destroy paint pigment, crack, or yellow paint.