— Where did you put the car keys?

问题描述:

— Where did you put the car keys?
—— Oh,I ______ I put them on the chair because the phone rang as I ______ in.
A.remembered; come B.remembered; was coming
C.remember; come D.remember; was coming
为什么用D 而不用 B

remember表示说话当时是记住的,所以相对于说话是,是一般现在时