My brother often forgets the windows, but he remembered them when he left yesterday. A.

My brother often forgets the windows, but he remembered them when he left yesterday.
A. closing, close
B. to close, close
C. closing, to close
D. to close, closing

A. closing, closeB. to close, closeC. closing, to close(答案→)D. to close, closing解析：句意：我的弟弟经常忘记关窗户，但是昨天当他离开的时候他记着已经关上窗户了，forget to do 记着去做某件事还没有做，forget doing记着已经做过某事。根据题意故选D。

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