单选题
Which of the following is NOT the result of polluting the search engine?
A、
Traffic jam in the Internet.
B、
Upsetting the consumers.
C、
Decreasing Google's credibility.
D、
Decreasing companies' profits.
【正确答案】
A
【答案解析】
[分析] 文章第五段提到的危害如下：挫伤消费者，降低Google的信誉度，让顾客上别的网站从而威胁到公司的利润。
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