Perlon is:

Perlon is a semicrystalline polyamide made up of a single monomer of Nylon-6.

It has an amino group on one end and one carbonyl group on another

<img alt="perlon" class="img-reponsive" loading="lazy" title="" perlon"="" data-cke-saved-src="https://apiengine3.home-tution.com/webroot//files/12w.png" src="https://apiengine3.home-tution.com/webroot//files/12w.png">

The correct option is B: Nylon-6