In the story what does Margie seem to miss?

Correct answer: The lack of studying together and a human teacher

The governing idea is Margie’s growing appreciation of the social experience of earlier schooling. After Tommy describes old schools, Margie imagines children learning together in a classroom with a human teacher. Her mechanical teacher gives lessons at home, but it cannot provide companionship, conversation, or the personal relationship associated with a real teacher. Therefore, option A is correct: she seems to miss both studying with other children and being taught by a human teacher, even though she has not directly experienced that system. The other options are not central to the story. Margie does not long for a bigger house, new games, or a faster machine; her interest is in human contact and shared learning.