专升本考试

根据网考网考试中心的统计分析，以下试题在2019/7/1日专升本考试习题练习中，答错率较高，为：90%
【单选题】Many people believe that viruses cannot possibly be of importance in human cancer because ______.
A、they are innocuous agencies
B、they are the causative agents of most human cancer
C、they seem to be infections to many people
D、they are generally thought to be relevant to most cancer in man

网考网参考答案：C，答错率：90%
网考网试题解析：
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