How will Charlie most likely change after his experience at the diner in part 2 of "Flowers for Algernon"?

At the diner, Charlie sees the workers mock a dishwasher who has an intellectual disability, and the scene reminds him of how people once treated him. Because he now understands that experience more clearly, he is likely to feel greater sympathy for people who are like he used to be. That makes B, “He will be more sympathetic to those who are similar to the way he once was,” the best answer.

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