题目内容
(请给出正确答案)
[主观]
In the third paragraph, "nor does giving people breakfast improve performance. " means______.
A.anyone without breakfast does improve his performance
B.not giving people breakfast improves performance
C.people having breakfast do improve their performance
D.having breakfast does not improve performance, either
请帮忙给出正确答案和分析,谢谢!
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