一道英语选择题,并说明理由

题目

一道英语选择题,并说明理由
I forgot ____my key to the door .So I had to wait outside.
A.bring
B.take
C.to bring
D.taking

答案

忘记要做某事用forght to do sth.
忘记做过某事用forght doing sth.
因此选c