Nicola Waiters had time for the experiments 查看材料A.t
材料
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Nicola Waiters had time for the experiments 查看材料
A.the volunteers do
B.because she does not have a weight problem
C.because the life there can be very boring
D.make people overeat
E.because she was her own boss
F.after passing a high-protein test
请帮忙给出正确答案和分析，谢谢！