Which element makes the process of education more lively in the story?

Human dialogue and presence of classmates

The governing concept is that education becomes lively through interaction, not merely through the delivery of correct information. In the old schools, children were physically present together, listened to a human teacher, responded to questions, and could share reactions with classmates. Such dialogue created curiosity, companionship, and a sense of participation. Therefore option A correctly identifies human conversation and the presence of classmates as the source of liveliness. Inserting answers into a machine may show efficiency but offers no social exchange. Screen light is only a technical feature, and machine repair supports the system without improving the human experience of learning. The contrast is central to the story.

This is a Class 9 English question. Chapter: The Fun They Had. Topic: the importance of human teachers.