7.The British started tipping in order to get served more quickly.
A.True
B.False
C.Not Given
正确答案:A
解析:原文明确说明:‘A jar with a sign reading “To Insure Prompt Service” sat on the counter. You put a coin in the jar to be served quickly.’ 其中‘To Insure Prompt Service’即‘tips’词源,目的直指快速服务,故True。
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