原题
录音 1
What does the speaker say about Leon Festinger?
AHe introduced well-known psychological concepts to marketing campaigns.
BHe experienced cognitive dissonance at a young age.
CHe was the first to describe how mental conflict can affect human beliefs or behaviors.
DHe focused on educating people about how to avoid cognitive dissonance.
正确答案：C
解题思路
老师暂未填写解题思路。