.Despite UNICEF’s efforts, dirty water ______ for disease spreading in southern Iraq at the very moment.
A．is to be blamedB．is being blamedC．has been blamedD．was blamed
B
考查非謂語(yǔ)動(dòng)詞。句意“盡管聯(lián)合國(guó)兒童基金會(huì)做出了努力，但是，污水仍然被認(rèn)為是造成伊拉克南部目前疾病蔓延的原因�！备鶕�(jù)句意可知，是正在發(fā)生的事情，dirty water和blame是動(dòng)賓關(guān)系，故用被動(dòng)。故選B。
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