问题
单项选择题
（）his examination of the patient, the doctor wrote out a prescription.
A.Having finished
B.Finishing
C.Finished
D.Having been finished
答案
参考答案：A
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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
参考答案：A