企源知识库

My sister has always regretted ( ) the opportunity to go to college.
A、not to take
B、not take
C、having not taken
D、not having taken
【正确答案】：D
【题目解析】：regret to do 后悔没有做某事，regret doing 后悔做过某事，句子含义是我姐姐经常后悔没有去上大学。