The technology revolution may be coming to poor countries via the mobile phone, not the personal computer, as it did in rich one

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问题     The technology revolution may be coming to poor countries via the mobile phone, not the personal computer, as it did in rich ones. And just as the Internet encouraged an entrepreneurial philosophy, and with it the creation of a few too many dotcom firms, Africa’s surge in mobile-phone use may unleash the same sort of business energy, but tailored to local needs.
    One such initiative is about to begin. TradeNet, a software company based in Accra, Ghana, will unveil a simple sort of eBay for agricultural products across a dozen countries in West Africa. It lets buyers and sellers indicate what they are after and their contact information, which is sent to all relevant subscribers as an SMS text message in one of four languages. Interested parties can then reach others directly to do a deal. Listing offers is free, as is receiving the texts. TradeNet plans to earn revenue by putting advertisements in the messages, though it hopes the service will become so useful that recipients will eventually want to pay. For the moment, though, the company is busy signing up users and swallowing the cost of sending the messages.
    Mobile-phone use in sub-Saharan Africa is soaring. Whereas only 10% of the population had network coverage in 1999, today more than 60% have it, a figure expected to exceed 85% in the coming year, according to the GSM Association, an industry trade group. This provides the infrastructure for businesses like TradeNet to function.
    TradeNet is the brainchild of Mark Davies, a British dotcom tycoon who gave up the rat race and went to Africa in 2000. In 2005, he started the prototype for TradeNet using around $600,000 of his own money and about $200,000 from aid agencies. An early set of trials last year generated a surplus of trades, such as a sale of organic fertilizer between a person in Yemen and another in Nigeria.
    A number of other mobile-phone market-places taking shape also started as aid projects. For example, Trade at Hand, a project funded by the UN’s International Trade Centre in Geneva, provides daily price information for fruit and vegetable exports in Burkina Faso and Mali, with plans to add more countries. And Manobi, a telecoms firm based in Senegal, providing real-time agricultural and fish prices to fee-paying subscribers, is also backed by aid money. But TradeNet’s approach is unique so far because it collects valuable economic data—names, locations, business interests and telephone numbers—and then sells them to advertisers. The price of economic development may be junk mail by mobile phone.
According to Paragraph 4, Mark Davies ________.

选项 A、had a dotcom firm that dominated the British market
B、was the person who benefited most from the African market
C、had been tired of the fierce competition among British dotcom firms
D、created and founded the firm TradeNet all by himself

答案C

解析 根据题干可直接定位到第四段。该段首句提到,Mark Davies是英国互联网巨头,他放弃了在英国激烈的竞争(rat race),因此可推知C项正确。虽然该段首句提到Mark Davies是互联网巨头(tycoon),但并不代表他的公司统治了整个英国市场,A项过度推断。B项说他从非洲市场获利最大,这一点无法从文中推出,文中只是说他进入非洲市场做生意。该段第二句说他自己出资约60万美元,再加上援助组织提供的约20万美元,开始筹建贸易网,故D项中的all by himself错误。
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