Selecting a mobile phone for personal use is no easy task because technology ________ so rapidly.

1. A.
   is changing
2. B.
   has changed
3. C.
   will have changed
4. D.
   will change

Selecting a mobile phone for personal use is no easy task because technology __________ so rapidly.

 A.is changing     B.has changed       C.will have changed     D.will change

Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.

A. is changing        B. has changed       C. will have changed    D. will change

Selecting a mobile phone for personal use is no easy task because technology____ so rapidly.

A.  is changing     B. has changed       C. will have changed    D. will change

Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.

A. is changing        B. has changed       C. will have changed    D. will change