With your help, there is no doubt ______ our plan is meant for will work out successfully.A.that whatB.whether thatC.what thatD.that whether
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A解析考查同位语从句和 主语从句。there is no doubt后是doubt的同位语从句，doubt用在否定句中，后面的同位语从句由that引导，排除B,C；______ our plan is meant for是主语从句，且从句中缺少for的宾语，所以用what引导。选A。