No sooner _____ the boy fall into the pond than he ____ to his feet and went to the rescue.

1. A.
   he had seen… jumped
2. B.
   had he seen… jumped
3. C.
   has he seen… is jumped
4. D.
   did he see… had jumped

No sooner _____ the boy fall into the pond than he ____ to his feet and went to the rescue.

A. he had seen… jumped                   B. had he seen… jumped

C. has he seen… is jumped                         D. did he see… had jumped