______the program, they have to stay there for another two weeks.A、Not completin

游客2025-03-08 8

问题 ______the program, they have to stay there for another two weeks.

选项 A、Not completing
B、Not completed
C、Not having completed
D、Having not completed

答案 C

解析据题意此处强调not complete的动作发生于stay之前，故用完成形式。not放在分词前面。

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