Her mother often forgets the door but this morning she remembered it.
A. to close…to close
B. closing … closing
C. to close …closing
D. closing … to close
网友回答
(答案→)A. to close…to close
B. closing … closing
C. to close …closing
D. closing … to close
解析：考察非谓语动词作宾语。Forget接不定式表示不能忘记做某事，接动名词表示忘记了做过某事。Remember后接不定式表示记住做某事，接动名词表示记住了做过某事。根据题意，她的母亲经常忘记关门，但是她今天早晨记住了。选A。