原题
录音 1
Why does the speaker mention reduction of a family's environmental footprint?
ATo demonstrate the marketing industry's dedication to environmentalism
BTo illustrate the use of a narrative that highlights shared values
CTo provide an example of successful viral content
DTo suggest that storytelling is especially powerful when marketing eco-friendly products
正确答案：B
解题思路
老师暂未填写解题思路。