When      the future, many people will imagine a life      high-tech devices.

1. A.
   thinking of, full of
2. B.
   thought about, full of
3. C.
   thought of, filled with
4. D.
   thinking about, filled with

When   the future, many people will imagine a life    high-tech devices.

When　　 the future,many people will imagine a life　　 high—tech devices.

A、thinking of;full of　　 B、thought about;full of

C、thought of;filled with　　 D、thinking about;filled with