【题目】After studying in an agricultural college for four years, Jack his job as an advisor in the countryside.
A. set out B. took over
C. took up D. set up
在线课程【答案】C
【解析】短语辨析。A出发动身，开始做某事；B接管；C占据，从事于，开始做；D设立，成立；句意：在大学学医五年以后，Jane开始了在乡下做医生的工作。故C正确。Take uo在本句中表示开始做。