Thanks to the new policy a new modern school in our village last year. A. was built B. is

问题补充：

Thanks to the new policy, a new modern school in our village last year.

A. was built B. is built C. built

答案：

解析：句意：由于新政策，去年在我们村一座新的学校建立起来了。结合语境可知本句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A。