Which of the Following Are Advantages of Laboratory-Processed Composite Restorations

Multiple Choice

Which of the following are advantages of laboratory-processed composite restorations over directly placed composites?
1) The restoration is denser.
2) The restoration polymerizes more completely.
3) More stress is created internally on the composite and the walls of the cavity preparation.

A) 1,2,3
B) 1,2
C) 1,3
D) 2,3