only when your identity has been checked ,[ ]a you are allowed in b you will be allowed in

问题描述:

only when your identity has been checked ,[ ]a you are allowed in b you will be allowed in
c will you allowed in d will you be allowed in

意思:只有当你的身份得到核实后,才可以进去.
答案选D.
only修饰状语或状语从句放句首时,主句要用部分倒装:助动词提前,即:助动词+主语+其他动词.
选项中属于这个结构的就C、D,而C选项中将来时被动语态应为:will be done,少了be 动词