Which of the Following Is Correct Regarding Polymerization Shrinkage of Composite

Multiple Choice

Which of the following is correct regarding polymerization shrinkage of composite resin restorations?

A) Microfills and flowables shrink less than hybrids and packables.
B) The greater the resin content of the composite,the less will be the shrinkage.
C) Recent research indicates that the composite resin material does not shrink toward the light.
D) When composite is placed and cured in a preparation that has two opposing walls,the composite will expand and push against the walls.