In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Making or spreading scandalous claims about someone with the intention of damaging their reputation

Let's look at the meanings of the options:
Scurrilous: Making or spreading scandalous claims about someone with the intention of damaging their reputation.

Exemplary: Serving as a desirable model; representing the best of its kind.

Laudable: Deserving praise and commendation.

Stellar: Featuring or having the quality of a star performer; exceptionally good.

Therefore, the correct option is C.