Not all ads are used to promote a product or to increase a pany’s profits. Which is the following statement correct?
A. All the ads are used to promote a product or to increase a pany’s profits.
B. Neither of ads are used to promote a product or to increase a pany’s profits.
C. Some of ads are used to promote a product or to increase a pany’s profits.
D. None of ads are used to promote a product or to increase a pany’s profits.
网友回答
A. All the ads are used to promote a product or to increase a pany’s profits.
B. Neither of ads are used to promote a product or to increase a pany’s profits.
(答案→)C. Some of ads are used to promote a product or to increase a pany’s profits.
D. None of ads are used to promote a product or to increase a pany’s profits.
解析：此题考查not 与all连用表示部分否定，意为：并非所有的都，意思是一部分是，一部分不是，句意：并不是所有的广告都被用来促销产品或增加公司的利润，根据语境选C。