What might make Margie feel somewhat envious of children of the past?

Correct answer: They studied together and had fun

Margie becomes interested in the old kind of school after Tommy explains that children of the past learned in a common school building. She imagines pupils of the same age sitting together, sharing experiences, and enjoying lessons with a human teacher. This possibility makes the old system seem attractive and may create a feeling of envy because Margie studies alone at home with a mechanical teacher. Thus, option A is correct. Option B is false because old children did attend school; option C describes neither their normal learning nor their special advantage; and option D is wrong because books were central to their education. The point is the pleasure of social learning.