单选题 10.  The car manufacturer ______ their plan to restructure most of their operations.
【正确答案】 D
【答案解析】 选项A错误，carry on意思是“继续”。选项B是carry的过去式，句意不通。选项C错误，carry up意思是“承载”。选项D正确，carry through意思是“贯彻”。