Which sentence correctly uses a superlative adjective?

A superlative adjective describes the greatest degree among a group. In “The sixth question was the easiest one on the quiz,” easiest compares that question with the other questions. “Highest of the two” should be “higher,” and “most cute” should be “cutest.” In A, “fastest” is not the right form for comparing only two people; “faster” is appropriate.

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