parents’ plaints, some cities have significantly cut school hours to give children more time for leisure and play.
A. In exchange for
B. In response to
C. In harmony with
D. In terms of
网友回答
A. In exchange for
(答案→)B. In response to
C. In harmony with
D. In terms of
解析：考查介词短语辨析。句意：作为对家长投诉的回应，一些城市已经大大缩减了上学时间，来给孩子们更多的休息和玩耍的时间。A交换......；B回应......；C与......和谐；D就......而言。故选B。