Panama,____ country in Central America, is the only place in the world ____ someone can see the sun rise on the Pacific Ocean and set on the Atlantic.

A．the, in what

B．a, where

C．/, where

D．a, which

下列与勇于创新不一致的是（）。

A、因循守旧

B、创新意识

C、钻研业务

D、开拓新领域