Question

Out _________, still discussing the fashion show with great interest.

1. A.
   walked a crowd of young girls
2. B.
   did a crowd of young girls walk
3. C.
   were walking a crowd of young girls
4. D.
   a crowd of young girls were walking

Answer 1

A
A 当表示方位的副词或介词短语out, in, off, away,here, there, up, down, on the wall等位于句首时，用完全倒装，即，谓语动词移到主语前。如：Out rushed the children. B项是部分倒装。A项是完全倒装，故选A。