Choose the sentence that works best as a topic sentence for the following description paragraph:

It's a long yellow tube that's tied at one end with a purple
string. The material inside is soft and spongy, so the toy
moves back and forth wildly when we play with it. And it
makes a surprisingly loud, high-pitched squeak when it's
squeezed in the middle. Basil can play with this toy for
hours.

A. This is Basil's favorite cat toy.
B. Basil likes to sleep after we play.
C. Basil's last toy was more fun than this one.
D. I bought it at Pets R Us.