In the passage from "A Cat Is Not a Can of Soup," what is the purpose of the boldfaced text?

Sometimes the animals arrive at the shelter very sick. However, the shelter workers will not allow anyone to adopt a seriously ill animal. If an animal has curable health problems or has been underfed, the workers inform the adopting family and give advice on how to care for the animal.

A. To summarize the author's position

B. To emphasize the opposing position

C. To introduce the essay and state the main claim

D. To refute the counterclaim