A. about salt and household coal B. over their ads scale and strategy C. about a psychological weapon D. to develop an association between the product and the consumers 参考答案:B 答案解析:本题为细节题,参见文章第1段,其大意是:20世纪20年代是广告的年代。广告人疯了:从食盐到家庭用煤,所有商品都被推上全国的广告。当然,广告并非新的媒介,但是,在其范围和策略方面有新的成分生成,由此可见