Not until the train pulled into the station          that his suitcase was gone.

A. did he find     B. had he found    C. he had found    D. he found

Not until the train pulled into the station          that his suitcase was gone.

1. A.
   did he find
2. B.
   had he found
3. C.
   he had found
4. D.
   he found

 Not until the train pulled into the station          that his suitcase was gone.

A. had he found     B. did he find   C. he had found    D. he found

Not until the train pulled into the station 　　　that his suitcase was gone.

　 A．did he find　　　　　　　　 B．had he found

　 C．he had found　　　　　　　　 D．he found