We are now living in a high-tech age ____ easy things are becoming complicated.

    A．where      B．that      C．when   D． why

We are now living in a high-tech age ____ easy things are becoming complicated．

We are now living in a high-tech age ____ easy things are becoming complicated．

1. A.
   when
2. B.
   that
3. C.
   where
4. D.
   why

We are now living in a high-tech age ____ easy things are becoming complicated．

       A．when        B．that            C．where            D．why

We are now living in a high-tech age ____ easy things are becoming complicated．