In the wartime, the masses devoted whatever they had to ______ the army in fighting against the JapaneseA.have supportedB.supportC.having supportedD.supporting
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D解析考查固定搭配。“在战争时期，人民群众把他们所有的东西都捐给了抗日的军队。”whatever they had 是宾语从句，devote sth. to doing sth.。故选D。