What did the Deering children eat for lunch at Rav's house?

The Deering children enjoyed a lunch consisting of egg salad, grapes, and lemonade at Rav's house. This choice reflects a specific, wholesome meal that aligns with typical lunch fare described in children's literature. It provides a balanced assortment of protein from the egg salad, fruit from the grapes, and a refreshing drink in the form of lemonade, which can be appealing to children and fits the context of a casual gathering or playdate scenario. Such details often help readers visualize the setting and characters in the story, enhancing engagement with the text. The other options present different meals that do not reflect the specific details provided in the story's context.