---I was told to be here before eight

---Oh, you ___________. I’m sorry for not telling you that we have changed the plan.

A. must           B. can’t            C. may            D. needn’t

?I was told to be here before eight.

?Oh, you ________. I'm sorry for not telling you that we have changed the plan.

A. must

B. can't

C. may

D. needn't

---I was told to be here before eight．

---Oh, you ________．I'm sorry for not telling you that we have changed the plan．

1. A.
   must
2. B.
   can't
3. C.
   may
4. D.
   needn't