—What do you know about the new plan?

—I know every detail about it. ________ , I think I know.

A．Rather than                                  B．Or rather

C．Namely                                        D．Other than

---What do you know about the new plan?

---I know every detail about it.        , I know it.

A．Therefore        B．Or rather         C．Namely         D．That is

—What do you know about the new plan?

—I know every detail about it. ________, I think I know.

[　　]

---What do you know about the new plan?

---I know every detail about it．________ I think I know．

1. A.
   Therefore
2. B.
   Rather
3. C.
   Namely
4. D.
   That is