( C )28.It was said that the new car to the institute as a gift by a businessman.

问题描述:

( C )28.It was said that the new car to the institute as a gift by a businessman.
A.had given B.would give C.had been given D.has been given

C.had been given
根据句意:据说这辆新车已经作为礼物被商人给那个协会了.
从句时态跟主句时态一致,所以用had
然后是被动,所以是had been given