—Daniel must have lost his job in that unemployment crisis,      he?

—I don’t think so. Yesterday I saw him working together with his colleagues.

—Daniel must have lost his job in that unemployment crisis,      he?

—I don’t think so. Yesterday I saw him working together with his colleagues.

1. A.
   didn’t
2. B.
   doesn’t
3. C.
   mustn’t
4. D.
   hasn’t

--- Daniel must have lost his job in that unemployment crisis, __________he?
--- I don’t think so．Yesterday I saw him working together with his colleagues

1. A.
   didn’t
2. B.
   doesn’t
3. C.
   mustn’t
4. D.
   hasn’t