He was in hospital for six months．He felt as if he was __________ from the outside world．
A.cut outB.cut offC.cut upD.cut through在线课程B
该题考查词义辨析.四个选项均为cut构成的短语动词，但所表达的意义不同：cutout剪掉，切掉；cut off剪下，切掉，隔离，阻碍；cut up切碎：cut through刺穿，克服困难.根据题干中前句他住院六个月的语境可判断出，他感到与世隔绝了，所以答案B.例如:
The woods cut off the view．树林遮住了视线.
The flood cut the townspeople off from the rest of the world．
洪水使镇民与外界隔绝了.
They are cut off from one another by miles of moorland．
他们互相被几英里的沼泽地隔离开了.