one of themost important inventions of the time, the computer helps people livin
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________one of themost important inventions of the time, the computer helps people living indifferent countries to do a lot of things.
A.Knowing tobe
B.It wasknown
C.Known as
D.As wasknown to be
试题答案
C
解析：computer与know之间是动宾关系，状语用过去分词，表被动。译文：计算机被认为是这个时代最重要的发明，它帮助居住在不同国家的人们做了很多事情。