原题
录音 1
Why does the speaker mention mood swings experienced after eating?
ATo introduce what may be a surprising idea about the microbiome
BTo argue for the necessity of nutrient-rich diets for participants of microbiome studies
CTo highlight the main challenge in achieving mood regulation through diet
DTo summarize the focus of his recent research study
正确答案：A
解题思路
老师暂未填写解题思路。