考博考试

根据网考网考试中心的统计分析，以下试题在2019/7/21日考博习题练习中，答错率较高，为：60%
【单选题】You are exposed to obtrusive ads that ______ seemingly from nowhere even when you are disconnected from the Net, and your personal information gathered and sent off without you being aware of it.
A．size up
B．dwindle away
C．conjure up
D．pop up
网考网参考答案：D，答错率：60%
网考网试题解析：
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