单选题 If I had remembered ______ the window, the thief would not have got in.
A. to close B. closing
C. to have closed D. having closed

【正确答案】 A
【答案解析】[解析] remember后可接动名词或动词不定式,但意义不同。后接动名词时表示该动名词所表示的动作已经发生,例如:I remember seeing her once somewhere. 我记得在哪里见过她。后面接不定式时表示该不定式所表示的动作尚未发生。例如:I must remember to take my notebooks with me. 我必须记着带笔记本。根据题意我们可以看出,本句中非谓语动词所表示的动作没有发生,因此正确答案是A项。C项虽也是不定式,但不定式的完成形式表示该动作在谓语动词的动作以前发生,例如:He is said to have written a new book about workers. 据说他又写了一本关于工人的书。显然C项不合题意。