The information that the author use to respond to the counterclaim that animals don't really have rights is: " Information from a professor at Princeton" (Option C)
A counterclaim is a claim that is given in response to an original claim or one given to defend ones initial claim.
The best counterclaims are those that are supported with lots of facts from credible sources.
Learn more about counterclaims at:
https://brainly.com/question/91599
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