A-A+ I don’t know what illness he suffered from bu 2022-08-05 18:15:59 问答库 阅读 170 次 问题详情 I don’t know what illness he suffered from, but I do remember he mentioned ________ in hospital last year.[A] to have been[B] to be[C] having been[D] being请帮忙给出正确答案和分析,谢谢! 参考答案 正确答案:C