_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.

A. Knowing B. Known

C. To know D. Know

 

B

【解析】

試題分析：句意：電腦作為當今最重要的發(fā)明之一，它幫助不同國家的人們做許多事情。分析語境可知，

Known as one of the most important inventions of the time為伴隨狀語從句。當從句中主語和主句主語一致，且

從句謂語動詞為be動詞時，從句中的主語和謂語動詞可省略。從句原句為the computer is known as one of the

most important inventions of the time,省略后成為Known as one of the most important inventions of the time。故

選B。

考點：考查省略句。

 

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