--- Have you finished the report?

   --- No. I ______ it all this week.

   A. will do                  B. had done 

     C. have done                D. have been doing

--- Have you finished the report?

   --- No. I ______ it all this week.

   A. will do                  B. had done 

   C. have done                D. have been doing

--- Have you finished the report?
--- No. I ______ it all this week.

1. A.
   will do
2. B.
   had done
3. C.
   have been doing
4. D.
   have done

--- Have you finished the report?
--- No. I ______ it all this week.

--- Have you finished the report?

--- No. I ______ it all this week.

A．will do            B．had done          C．have been doing    D．have done