___________himself in carrying out an experiment, he can’t spare time to look after his children.

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问题 ___________himself in carrying out an experiment, he can’t spare time to look after his children.

选项 A、Occupied
B、Having occupied
C、Occupying
D、Having been occupied

答案C

解析句意：他忙于做一个实验，挤不出时间照看孩子。此处he与occupy存在逻辑主谓关系，故使用现在分词，从而首先排除A、D两项；另外，此处谓语动作和分词动作应为同时发生，可排除B项。故选C。

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中学英语

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