单选题
From the amount of sleep Napoleon, Edison, and Darwin required, we can concluded ______.
A、
that they were famous
B、
that they were executives
C、
that they were intelligent
D、
None of the above
【正确答案】
D
【答案解析】
由文章第二段后两句可知，这些著名的人物睡眠时间很短，更进一步说明不同的人所需的睡眠时间是不同的，而A，B，C均不是结论，所以D正确。
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