成人英语三级考试

【单选题】______ the program, they have to stay there for another two weeks.


A．Not completing
B．Not completed
C．Not having completed
D．Having not completed

网考网参考答案：C
网考网解析：
[考点] 非谓语动词的否定 [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。 查看试题解析出处>>