Why does a human teacher not let education remain only a private task in the story?

Because he creates shared dialogue and group experience in class

The governing concept is education as a social process. A human teacher brings learners together, establishes a common activity, invites responses, and connects individual understanding with group discussion. In such a classroom, students do not simply complete separate assignments; they listen, cooperate, question, and develop ideas in relation to others. Option D is correct because shared dialogue and group experience prevent education from becoming a private transaction between one child and a machine. Option A is destructive and irrelevant, option B describes technical maintenance rather than teaching, and option C would remove the classroom community instead of creating it. Human teaching makes learning participatory.

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