I don't know what illness he suffered from,but I do renmenber he mentioned____in hospital last year

I don't know what illness he suffered from,but I do renmenber he mentioned____in hospital last year
A.to have been B.to be
C.having been D.be
英语人气:794 ℃时间:2019-10-23 02:37:47
优质解答
C,mention是动词,后面要加宾语,因此用having been形式.
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