【题目】When their children lived far away from them , these old people felt ______from the world.
A. cut off B. cut down
C. cut out D. cut back
在线课程【答案】A
【解析】考查动词短语。根据语境可知此处表示当孩子住的离家远的时候，这些老人感到与世隔绝的样子。Cut off 切断联系B. cut down 砍到，削减C. cut out 删掉，停止 D. cut back减少，剪裁，缩短