根据材料回答11~13题:Whichistrueaccordingtothispassage?[A]Theotherfamiliesmightnotevenknowa
根据材料回答11~13题:Which is true according to this passage?[A]The other families might not even know a family that lived close by in the past. [B]We live in an age of machines when machines can do everything.[C]Neighboring is not as common as it used to be.[D]Everyone shared the same problem -- power is not enough for daily use.