Step 1: Define addition polymerization.
Addition polymerization is a process where monomers with double bonds (unsaturated monomers) add together without losing any atoms, forming long-chain polymers. PVC (Polyvinyl chloride) is a typical product of addition polymerization.
Step 2: Analyze the options.
- PVC (Option A) is made by addition polymerization of vinyl chloride monomers.
- Nylon (Option B) is made by condensation polymerization.
- Terylene (Option C) is made by condensation polymerization.
- Polyamide (Option D) refers to polymers formed by condensation polymerization.
Step 3: Apply to the options.
The correct answer is (A) PVC.
Final Answer:
\[
\boxed{\text{PVC}}
\]