考博考试

根据网考网考试中心的统计分析，以下试题在2018/12/17日考博习题练习中，答错率较高，为：38%
【单选题】 Professor Jeffrey's lecture on the recycling of waste paper and other garbage will show ______ can still be improved.
A．that the municipal authorities have done
B．how those the municipal authorities have done
C．how what the municipal authorities have done
D．that how the municipal authorities have done

网考网参考答案：C，答错率：38%
网考网试题解析：
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