73、______ his examination of the patient,the doctor wrote out a prescription.A:Having finished A:Having finished?为什么A:Having finishedB:FinishingC:FinishedD:Having been finished

问题描述:

73、______ his examination of the patient,the doctor wrote out a prescription.A:Having finished
A:Having finished?为什么
A:Having finished
B:Finishing
C:Finished
D:Having been finished

主语是医生,这句话是说医生已经完成检查,因此是主动且完成的形式~