-- Doing it like this means _______ time.

--I didn’t mean ______ it.

  A. wasting…to do                      B. to waste…doing   

  C. waste…do                            D. wasting…doing 

- Doing it like this means _______ time.

  -I didn’t mean ______ it.

  A. wasting…to do  B. to waste…doing    C. waste…do    D. wasting…doing 

— Doing it like this means _____________ time?

— I didn't mean _____________ it.

A. wasting ; to do　　 B. to waste ; doing　　　 C. waste ; do　　　　　 D. wasting ; doing