题目内容:
" so fatigue, or taste burnout, was not a factor. " (Line 4, ParA.5) Why?
A.Two people got all four samples wrong B.Nearly half the participants in each group made the wrong choice two or more times
C.Only a few cola fans may really be able to tell their favorite brand
D.Half the participants did about as well on the last round of tasting as on the first round
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答案解析: