考博考试

根据网考网考试中心的统计分析，以下试题在2018/4/17日考博习题练习中，答错率较高，为：60%
【单选题】 Because it takes longer to install and involves some tinkering to get it to work just right, it's best for more experienced users. But, oh, what joy! ______ a detailed log of every ad it annihilates, ______ it makes a satisfying 'thunk' when it nabs one.
A．Not only Killer keeps, but also
B．Not only does Killer keep
C．Only Killer keeps, and
D．Only if Killer keeps

网考网参考答案：B，答错率：60%
网考网试题解析：
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