The confidence of the Chinese film makers _______by Avatar, the release of______ has not only set a good example for the Chinese film industry but also embarrassed our directors, who lack professional ethics.A.has blown; whichB.have blown; thatC.has been blown; whichD.have been blown; that
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C解析考查主谓一致、被动语态和非限制性定语从句的用法。confidence与blow之间是被动关系，Avatar指电影《阿凡达》，是定语从句的先行词。blow 在此意为 “ruin, lose”。