Johnson knows much about the movie, I think that he must have seen it,________?

A.doesn’t he      B. hasn’t he      C.don’t I      D.didn’t he

Johnson knows much about the movie, I think that he must have seen it, ________?

1. A.
   doesn't he
2. B.
   hasn't he
3. C.
   don't I
4. D.
   didn't he

Johnson knows much about the movie, I think that he must have seen it,________?

A.doesn’t he      B. hasn’t he      C.don’t I      D.didn’t he