there is evidence that eating a big breakfast,particularly______containing whole grains and fruits,can improve your conc
问题描述：
there is evidence that eating a big breakfast,particularly______containing whole grains and fruits,can improve your concentration and mood.
a.one b.that c.it d.another
为什么用one ,不懂.
答
这里不是指特定的早餐,就是泛指某一顿早餐.