B for sure. The others paint a good enough picture, but B is very detailed and paints a very strong mental image.
Answer:
Gliding down the olympic bobsled course on the last run of the day is a very large raccoon. The crowd roars its approval as he comes into sight. Roni Raccoon, the official Winter Olympics mascot, waves his man-sized paw at the sports fans. And even though the "raccoon's" time places him last, it's worth a gold medal for fun.
Explanation:
Yes, this sentence is declarative.
A. supporting evidence for the essay’s thesis statement