If I had remembered ____ the door,the things would not have been stolen.

题目

If I had remembered ____ the door,the things would not have been stolen.
A) to lock B) locking
　　C) to have locked D)shavings locked
为什么不选C

答案

remember to do 就可以了,没有必要完成时,前面已经是had done是对过去的虚拟了,
意思是我要是记得去锁门就好了,东西也就不会被偷了