—The authors of computer viruses are geniuses.
—I agree. If they applied their wisdom to other net technology _____ human beings can benefit, it would be better.
A．in whichB．through whichC．from whichD．during which
C
考查介詞與關(guān)系詞引導(dǎo)的定語從句。benefit from通過……獲利。因此，選擇C項。  
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