Only when your identity has been checked .
A. you are allowed in
B. you’ll be allowed in
C. will you allow in
D. will you be allowed in
网友回答
A. you are allowed in
B. you’ll be allowed in
C. will you allow in
(答案→)D. will you be allowed in
解析：考察only引导的倒装句。Only放在句首且强调状语时，后面的主句使用部分倒装的形式。句意：只有当你的身份被核对，你才能被允许进入。