An essay thesis argues that although both "Flowers for Algernon" and "Fish Cheeks" address people's desire to fit in with others, only "Flowers for Algernon" conveys the theme that people often treat those who are different badly. Which quote from "Flowers for Algernon" would best provide evidence for the thesis?

The thesis calls for evidence that people treat someone who is different badly. In choice D, Charlie realizes that Joe, Frank, and the others kept him around so they could make fun of him. This directly shows their cruelty toward him, while the other choices describe a teacher's support, an inkblot test, or Charlie's reluctance to race Algernon.

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