They said the building would be completed ________ a year.
A. after B. for C. in D. about
They said the building would be completed ________ a year.
A. after B. for C. in D. about
C
in, after这两个介词都可以用来表达“在若干时间之后”。in 可以用于将来时态或一般过去时态的句子中；after 用于一般过去时，如果表示某时刻之后或某件事之后，则不受时态的限制。