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
Which of the following impression material is elastic: 
Select and explain. 
A. Impression compound, B. Zinc oxide eugenol (ZOE) paste, C. Wax, D. Polyvinyl siloxane
D: Polyvinyl siloxane
Answer: D: Polyvinyl siloxane 
Explanation: None