To work from home, which one could hardly imagine, has been made with the development of

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A. it possible
(答案→)B. possible
C. possibly
D. to be possible
解析：考查词组：make sth possible的被动式，be made possible，make的宾语To work from home,现在是主语了，被动是To work from home has been made possible、,句意：在家上班，这点人们很难想象的现在已经因为电脑科技的发展成为可能了。选B。