When Mrs Green passed by us,we _ and said hello to her.

题目

When Mrs Green passed by us,we _ and said hello to her.
A.stopped talk B.stopped to talk C.stopped talkingg D.stopped and talked

答案

C stop doing sth 停止做某事（不做）
stop to do sth 停下来去做某事（做）
句意是：当格林先生经过我们时,我们都停止讲话去和他打招呼.（即我们不再讲话了）