题目详情
单选题 Why does the article mention concerns about privacy in relation to online ads?
A. Online ads are not effective in targeting specific groups
B. Companies struggle to reach people through digital marketing
C. Personal information is often used for online ads, raising worries about privacy
D. Online ads are not popular in recent times

学科:应用英语读写 II
时间:2025-06-10 19:21:17
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