What an important role the Internet in our life! One can hardly imagine life would be li

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A. plays, how
B. is, however
C. uses, what
(答案→)D. plays, what
解析：    
试题分析:考查动词短语和宾语从句。固定短语：play a role in “在……中起作用”；imagine后的宾语从句缺少介词like的宾语，所以用疑问代词，故答案选D。句意：因特网在我们生活中起着多么重要的作用啊！人们几乎想象不到没有了网络生活会是什么样子。