单选题
She decided to have a physical checkup as soon as she finished ______.
A、
what she did
B、
what she had done
C、
what she would do
D、
what she was doing
【正确答案】
D
【答案解析】
[解析] 根据句意可知，空处应该是正在进行的动作。A、B选项为已经完成的动作；C选项为过去将要进行的动作；D选项为过去正在进行的动作。故选D。
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