With the capital ________ to greet even more people from around the world, Beijing is doing its best

With the capital ________ to greet even more people from around the world, Beijing is doing its best to make herself more open．

A.prepare

B.preparing

C.prepared

D.prepares

答案及解析： B

解析：

考查非谓语动词。前半句是介词with的复合结构，the capital与prepare之间是主动关系。