-You ________ that．

-I’m sorry, but I simply ________ what I was told to．

1. A.
   needn’t have done; ought to do
2. B.
   needn’t have done; had to do
3. C.
   shouldn’t have done; ought to do
4. D.
   shouldn’t have done; ought to do

 ----You ______ that．

----I'm sorry, but I simply_______ what I was told to．

     A．needn’t have done ; ought to do      B．needn’t have done；had to do

     C．shouldn’t have done：ought to do     D．shouldn’t have done；need to do