Many developing countries are unwilling to pursue their economic development ______ destroying the environment despite there being several financial crises.A.at the risk ofB.at the cost ofC.at the end ofD.at the mercy of
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B解析考查介词短语的辨析。at the risk of 冒着……的危险；at the cost of 以……为代价；at the end of在……的末端/尽头；at the mercy of听凭……的处置。句意：尽管存在金融危机，但许多发展中国家并不愿意以破坏环境为代价来追求经济的发展。