_______ his examination of the patient,the doctor wrote out a prescription.A:Having finishedB:FinishingC:FinishedD:Having been finished

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_______ his examination of the patient,the doctor wrote out a prescription.
A:Having finished
B:Finishing
C:Finished
D:Having been finished

A
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~

选A

A
祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!