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  3. Most of us would shy away from making purchases in a foreign country if we didn’t know the exchange rate. Yet, if privacy is the

Most of us would shy away from making purchases in a foreign country if we didn’t know the exchange rate. Yet, if privacy is the

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问题     Most of us would shy away from making purchases in a foreign country if we didn’t know the exchange rate. Yet, if privacy is the true currency of the Internet, as many argue, millions of us are doing that very thing every day. Meanwhile, Internet giants amend their privacy policies in ways that allow them to harvest and sell even more of our personal data. While privacy campaigners protest, users generally vote with their clicks and carry on regardless.
    So should we conclude the Internet generation is happy to trade its privacy for free or cheaper Web services? Not according to Nicola Jentzsch of the German Institute of Research in Berlin, and colleagues, who last week published research showing that most people prefer to protect their personal data when given a choice and that a significant proportion are willing to pay extra to do so.
    The researchers directed 443 students to a website offering tickets for a real movie showing, sold by two different vendors(商贩). Although the tickets were subsidized, the volunteers, who were able to purchase one, two, or no tickets, had to pay most of the cost themselves.
    When both vendors offered tickets at the same price but only one required customers to enter their cell phone number, the more privacy-friendly vendor got 83% of sales. When participants were offered the same choice, but with an additional charge of 50 euro cents from the privacy-friendly cinema, its market share fell to 31% .
    " It turns out that when you are good on privacy you can charge more and make a greater profit," says Alessandro Acquisti of the University of Cambridge, one of the authors of the study, published by the European Network and Information Security Agency.
    " What people say in surveys is that they care about privacy, but what they actually do is spend their time constantly updating their status on Facebook," says Acquisti. " This has led some to conclude that people no longer care about privacy. This new data, along with similar work we have done in the U. S. , shows this is not the case, and that the desire for privacy is not dead after all. "
In what circumstances does the market share of the privacy-friendly cinema fall?
选项 A、When it offers tickets at the same price as the other does.
B、When it asks customers to enter their cell phone number.
C、When it charges customers an additional 50 euro cents.
D、When it raises the average price of one ticket by 83% .
答案C
解析 事实细节题。本题考查在何种情况下保护顾客隐私的那个电影票卖主的市场份额会下降。由定位句可知，当给参与者提供相同的选择，但是更加保护顾客隐私的那个卖主要求顾客多支付50欧分时，其市场份额下降到了31％，故答案为C)。A)“当它与其他家票价相同时”与原文不符，原文提到，当票价相同时，保护顾客隐私的那个电影票卖主的销售额很高，故排除；B)“当它要求顾客输入电话号码时”与原文不符，这家电影院未要求顾客输入电话号码，故排除；D)“当它将每张票的平均价格上调了83％时”，83％是当两家电影票价相同时，保护顾客隐私的电影票卖主所占的销售额，故排除。
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