_______ what would happen, none of them could find a way out

1. A.
   Left wondering
2. B.
   Having left wondering
3. C.
   Leaving to wonder
4. D.
   Having left to wonder

 _____ what would happen，none of them could find a way out.

A. Left wondering              B. Having left wondering

C. Leaving to wonder           D. Having left to wonder

_______ what would happen, none of them could find a way out.

A. Left wondering                                                 B. Having left wondering

C. Leaving to wonder                                           D. Having left to wonder

What ________ would happen if your mother knew you felt that way?

1. A.
   you suppose
2. B.
   do you suppose
3. C.
   will you suppose
4. D.
   you would suppose