Which among the following species is an elastomer?

Options

A. Nylon
B. Neoprene
C. Terylene
D. Polystyrene

Explanation

To determine which species among the given options is an elastomer, we need to understand what an elastomer is and analyze each option accordingly.

### Step-by-Step Solution:

1. **Definition of Elastomers**:
- Elastomers are a type of polymer that exhibit elastic properties. This means they can stretch significantly and return to their original shape without permanent deformation. Natural rubber is a common example of an elastomer.

2. **Analyzing the Options**:
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