Professor Smith is said ______ another important discovery in che_英语解答

Professor Smith is said ______ another important discovery in chemistry.a.having made b.having b
Professor Smith is said ______ another important discovery in chemistry.
a.having made b.having been made c.to have made d.to make

人气：414 ℃　时间：2020-04-11 22:22:32

解答

make discovery 是一个短语.其中的have 只能做时态来看应该是A吧
having done