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
The process wherein two or more chemically different monomers, each with some desirable property, can be combined to yield specific physical properties of a polymer is known as 
Select and explain. 
A. Step-growth polymerization, B. Addition polymerization, C. Condensation polymerization, D. Copolymerization
D: Copolymerization
Answer: D: Copolymerization 
Explanation: None