To work from home, which one could hardly imagine, has been made with the development of puter technology.
A. possible
B. it possible
C. possibly
D. to be possible
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(答案→)A. possible
B. it possible
C. possibly
D. to be possible
解析:A。句子考查的是 make sth impossible(使……成为可能)。句意为:随着计算机技术的发展,在家里办公(原来是不也想像的)已经成为可能。