The sentence that uses the underlined word correctly is option B: Frank and Alice make sure to compliment their triplets for good behavior.
What do you mean by word Compliment?
A compliment is a polite expression of praise or admiration. A complement is a thing that contributes extra features to something else in such a way as to improve or emphasize its quality.
In other words we can say that, compliment is the term that is used to describe the respect, affection and admiration regarding other. We can pay compliment to other on their job well done.
According to given sentence, Frank and Alice both give a compliment on their sweet behavior. this sentence is perfectly defined the underlined word.
On the other hand, all options like A and C are incorrect as they do not use the word correctly.
Learn more about Compliment, refer to the link:
https://brainly.com/question/4467959
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