---- Hi, Vera, have you checked the account yet?

---- Certainly, I ______ it five times even though you told me to do it twice．

         A．checked                 B．will have checked        

         C．have been checking               D．had checked

--Hi, Vera, have you checked the account yet?

--Certainly, I _______ it five times even though you told me to do it twice.

1. A.
   checked
2. B.
   will have checked
3. C.
   have been checking
4. D.
   had checked

33．---- Hi, Vera, have you checked the account yet?

---- Certainly, I ______ it five times even though you told me to do it twice．

       A．checked                  B．will have checked      

       C．have been checking            D．had checked

---- Hi, Vera, have you checked the account yet?

---- Certainly, I ______ it five times even though you told me to do it twice．

       A．checked              B．will have checked      

       C．have been checking            D．had checked