中国坚持对外开放的基本国策，坚持打开国门搞建设。

A.China adheres to the national policy of opening up and pursues development with its doors open wide.

B.China intends to the fundamental national policy of opening up and pursues development with its doors open wide.

C.China adheres to the fundamental national policy of opening up and pursues development with its doors open wide.

正确答案：China intends to the fundamental national policy of opening up and pursues development with its doors open wide.