单选题______  he couldn’t get&n

问题补充：

单选题______,hecouldn’tgetthedooropen.A.Might as he tryB.As he might tryC.Try as might tryD.Try as he might

答案：

D解析考查as构成的倒装句式引导让步状语从句。过顶用法为“谓语动词+as+主语+情态动词”