This type of puter is of great help and I’ll buy it _______A.however may it costB.no matter how much it costC.however much it is costD.however much it may cost
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D解析考查宾语从句，应用陈述句语序，询问价格多少应用how much，句意：这种电脑非常有帮助不管它可能有多贵我也要买它。在这是宾语从句however 不能等于no matter how，所以选D。