— How old is the bridge over there?

— Oh, it's very old. It _____ about eight hundred years ago. [ ]

A. has built

B. is built

C. was building

D. was built

被用于职工集体福利设施以外的职工福利支出是（）。

A.职工福利费

B.公益金

C.工资

D.奖金