—May I remind you that Mr. White is waiting outside, Mrs. Green?

  —Oh, I _________ all about it.

A. forget          B. had forgotten         C. forgot         D. was forgetting 

---May I remind you that Mr. White is waiting outside, Mrs. Green?
---Oh, I______all about it.

1. A.
   forget
2. B.
   had forgotten
3. C.
   forgot
4. D.
   was forgetting

—May I remind you that Mr. White is waiting outside, Mrs. Green?

  —Oh, I _________ all about it.

A. forget          B. had forgotten         C. forgot         D. was forgetting 

--May I remind you that Mr. White is waiting outside, Mrs. Green?

   ---Oh, I _________ all about it.

 A. forget         B. had forgotten      C. forgot           D. was forgetting 

---May I remind you that Mr. White is waiting outside, Mrs. Green?

---Oh, I _________ all about it.

A．forget                      B．had forgotten

C．forgot                     D．was forgetting