单选题After studying in America

问题补充：

单选题AfterstudyinginAmericaforsevenyears,Lily’sbrother______hisjobasadoctorinJapan.A.took upB.took overC.took inD.took on

答案：

A解析词义辨析。took up占据，从事；took over接收，接管；took in吸收，引进；took on承担，雇佣。句意:在美国学习了7年后，莉莉的弟弟在日本从事了一份医生的工作。所以选A。