— How beautiful the library is!—Yes. It last year.A. buildsB. builtC. was builtD. is buil

问题补充：

— How beautiful the library is!

—Yes. It last year.

A. builds

B. built

C. was built

D. is built

答案：

A. builds

B. built

(答案→)C. was built

D. is built

解析：句意：这座图书馆多么美丽啊！——是的，它是去年建成了。结合语境可知下文描述的是过去发生的动作，故用一般过去时态。主语是动作对象，故用被动语态。选C。