— It’s difficult for the village children to cross the river for school.— I hear a new bri

问题补充：

— It’s difficult for the village children to cross the river for school.

— I hear a new bridge over the river in a year.

A. was built

B. is being built

C. has been built

D. will be built

答案：

A. was built

B. is being built

C. has been built

(答案→)D. will be built

解析：根据后文的内容“in a year”可知答案为一般讲来时，有根据句子的要求为被动语态，故选D