问题标题：
Idon'tknowwhatillnesshesufferedfrom,butIdorenmenberhementioned____inhospitallastyearA.tohavebeenB.tobeC.havingbeenD.be
问题描述：
Idon'tknowwhatillnesshesufferedfrom,butIdorenmenberhementioned____inhospitallastyear
A.tohavebeenB.tobe
C.havingbeenD.be
毛声镛回答：
C,mention是动词,后面要加宾语,因此用havingbeen形式.
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