What does "the gem of late 20th century technology" refer to？A．The telegraph.B．Information
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What does "the gem of late 20th century technology" refer to？
A．The telegraph.
B．Information theory.
C．Materials technology.
D．The Internet.
请帮忙给出正确答案和分析，谢谢！
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正确答案：D
题干引号里的短语出现在文章第一段开头，接着原文提到了互联网theInternet；根据语法规则，theInternet是thegemoflate20thcenturytechnology的同位语，即将“互联网”比作“二十世纪末科技上的一颗璀璨宝石”，故答案为[D]。