【题目】The doctor ______ a piece of muscle from my leg and looked at it under a microscope.
A.cut outB.cut acrossC.cut inD.cut up
在线课程【答案】A
【解析】
考查动词词短语。句意：医生从我的腿上切下一块肌肉，放在显微镜下观察。A. cut out切断；B. cut across抄近路；C. cut in插嘴，超车；D. cut up切碎。根据“and looked at it under a microscope.”可知，医生切下一块肌肉用于观察。故选A。