In order to stop poverty, the World Bank has ______ its focus to providing technical assistance and long-term loans to developing countries.A.fixedB.exchangedC.transferredD.switched
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D解析考察动词辨析。A. fixed应用fix its focus to不对B. exchanged交换不对C. transferred移交、调动也不对 D. switched转移、转换，故D正确。