题目内容：
·You will hear a conversation between a sociologist and a retailer．They talk about what is going to influence the life style and how the life style will affect the purchasing process．·For each question(23-30)，mark one letter(A，B or C)for the correct answer．
·After you have listened once．replay the recording．
AIO refers to A．actions, involvement and options.
B．activities, interests and opinions.
C．advertising, impact and opportunities.
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答案解析：