Write the next sentence in the following story.

How to get burrs out of dog hair
Identify what a burr looks like.
A bur is a seed that has a hook or teeth on it. These teeth or hooks are designed to latch onto a passing animal's fur, as a means of dispersing the seeds elsewhere.

Available choices:
A). If a dog has burs, they usually have a single hook that can be easily pulled back out, relocating the spot in the comb. Burs are often used for veterinary work.;
B). Burrs come in all shapes and sizes but they all are seeds that attach themselves to animals. Plant awns are similar to burrs except they are bristle-shaped seeds that are shaped like a fish hook.;
C). When you are looking through existing dog hair, look for hairs that look like long , 2-4 inches (5.1-7.6 cm) long strips of hair. The teeth vary in length, diameter, and color.;
D). For health reasons, dogs usually look for burrs in their fur, but some dogs may refuse the method. Burr is a short, two-d operation that pulls hair from other animals' fur, whether it's bone, scraps of fur, or more than one hair.;. The answer should be
B).