Which of the Following Statements Is True of the Process

Which of the following statements is true of the process of polymerization?

A) Polymerization is a chemical reaction that links small inorganic compounds called monomers into long chains of repeating monomer subunits.
B) Polymers that form by simple addition may not shrink as much as those that form by condensation.
C) Polymers with high degrees of conversion have high levels of residual monomer.
D) Most prosthodontic polymers expand significantly as polymerization proceeds.