we are developing new technology        such a high pace, the true challenge is to find new ways of using it.

       A．Because; with      B．Now that; at        C．Now that; with     D．Because of; at

     we are developing new technology        such a high pace, the true challenge is to find new ways of using it.

A．Because; with   B．Now that; at     C．Now that; with D．Because of; at

 ____ we are developing new technology at such a high pace ,the true challenge is to find new ways of using it.

A. Although      B. After        C. As soon as       D. Now that

 ____ we are developing new technology at such a high pace ,the true challenge is to find new ways of using it.

A. Although        B. After            C. As soon as      D. Now that

．____ we are developing new technology at such a high pace ,the true challenge is to find new ways of using it .

A. Although      B. After        C. As soon as       D. Now that

Now that we are developing ________ new technology at such ________ high pace，the true challenge is to find new ways of using it.

A. the；a　　 　 B. /；a　　　 C. /；the　 　　 D. a；a