.Despite UNICEF’s efforts, dirty water for disease spreading in southern Iraq at the very moment.
A. is to be blamed
B. is being blamed
C. has been blamed
D. was blamed
网友回答
A. is to be blamed
(答案→)B. is being blamed
C. has been blamed
D. was blamed
解析：考查非谓语动词。句意“尽管联合国儿童基金会做出了努力，但是，污水仍然被认为是造成伊拉克南部目前疾病蔓延的原因。”根据句意可知，是正在发生的事情，dirty water和blame是动宾关系，故用被动。故选B。