What narrative time is created together by the old book and Margie's diary?

Time of past future dialogue

The old book and Margie’s diary create a contrast between two times. The diary records Margie’s life in the future, including the date on which she and Tommy find the old book. The old book describes an earlier kind of school in which children learned together with a human teacher. As Margie reads it, the future viewpoint looks back at the past and compares it with her own present.

Option A is correct because the story becomes a dialogue between past and future, even though the two periods are not literally speaking to one another. The diary supplies the future frame, while the printed book supplies the remembered or reconstructed past. The other options narrow the narrative to an exam, a sports event, or machine repair, none of which explains the story’s time structure. The answer refers to the contrast of educational eras.

This is a Class 9 English question. Chapter: The Fun They Had. Topic: Education.