Read the sentence. The students found the grammatical rules incredibly simple to understand and use. Which word does the underlined phrase modify? students found rules understand

The word that the highlighted phrase of the sentence most effectively modify would be:

C). Rules

Thus, option C is the correct answer.

Learn more about "Grammatical Rules" here:

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I looked this question up. It seems that the underline phrase should be "incredibly simple to understand and use."

The word the underlined phrase modifies is:

C. rules.

Explanation:

A modifier is a word or phrase that qualifies another part of the sentence. In this case, we must ask ourselves, once we've read the sentence: What is incredibly simple to understand and use? The rules. Another possible question is: What did the students find incredibly simple to understand and use? The rules. In any way we phrase the question, we will obtain the same answer. The thing that is incredibly simple to understand and use is the rules.