Read this excerpt from "are dogs dumb? " by karen hopkin.

and how come we think dogs are so smart? sure a dog might be clever enough to fetch his leash when he wants to go out. but the same mutt might also bark at a vacuum cleaner and spend a whole hour chasing his own tail. is rover really any brighter than a hamster, a chicken, or that kid who's always eating play-doh? how can you measure an animal's brain power?

what is the author's purpose in this paragraph?

a.) to entertain readers with a joke about humans eating play-doh

b.) to explain what dogs can and cannot do

c.) to persuade readers that smaller animals aren't necessarily dumb

d.) to give readers information about animal intelligence