The highway from Zunyi to Renhuai for about two years.A. has openedB. has been openC. has

问题补充：

The highway from Zunyi to Renhuai for about two years.

A. has opened

B. has been open

C. has been opened

D. opened

答案：

A. has opened

(答案→)B. has been open

C. has been opened

D. opened

解析：句意：从遵义到仁怀的高速公路已经开放大约有两年的时间了。For+一段时间表示谓语动词必须是持续的，be open 表示状态开放根据句意应用完成时，have/has been +形容词根据句意，故选B。