After reporting the accideht to the police,the couple hurried off and __ in the crowd.
问题描述：
After reporting the accideht to the police,the couple hurried off and __ in the crowd.
A.was lost B.were lost
C.had lost D.lost
选B为什么?
为什么不选D
答
be lost失踪
lost单用仅表left过去式,过去分词