Question

     the girl was walking down the street, the alien     into a store.
A. Until; went          B. While; went           C. While; was going

Answer 1

B

考查时间状语从句。While与进行时连用，排除A。“正在做某事时，另一件事突然发生”，突然发生的事不能用进行时，排除C。故选B。