________ the programme, they have to stay there for another two weeks.
A Not completing B Not completed
C Not having completed D Having not completed
________ the programme, they have to stay there for another two weeks.
A Not completing B Not completed
C Not having completed D Having not completed
C
【解析】
试题分析：考查现在分词的完成式做状语，句意是：没有完成计划，他们只好再呆两星期。因为是先没有完成计划，才要呆在那里。用现在分词的完成式，否定not放在having的前面。选C。
考点：考查现在分词的完成式做状语
点评：现在分词做状语不能忽略，动作和主句的动作的先后关系，如果同时发生就是一般式，如果先于主句的主语发生，就是完成式。