How did a human teacher make children active in the old classroom?

Correct answer: By involving them in questions, discussion, and answers

The governing concept is active participation in learning. A human teacher can ask questions, listen to different answers, invite discussion, clarify misunderstandings, and encourage children to explain their own thinking. These actions make students participants rather than silent receivers of programmed information. In the imagined old classroom, children would learn together and respond directly to a teacher and to one another. Hence option A is correct. Option B prevents classroom participation, option C has no connection with teaching interaction, and option D destroys learning material instead of improving learning. The important difference is that human teaching creates dialogue, attention, and opportunities for children to think aloud.