Question

----Did you open the door?
-----Yes. I remembered _____it before you arrived.

A．opening

B．being opened

C．to open

D．to have opened

Answer 1

A

动词用法辨析。Remember to do sth记得要做某事；remember doing sth记得做了某事；句意—你把窗户打开了吗？—是的。我记得在你来开之前我记得打开了。