我弄清楚了，我先生在被收回绿卡时确实让二选一，他在form I-407上签字了，
-Then, his status is not permanent resident any more. Did he keep a copy of I-407 from the CBP officer or get any proof of the abandonment of green card there? This evidence is important for him to apply for the green card again in the future.
移民局会根据A number 查出来吗？
-It does not matter.
我公民申请时就不能填他是绿卡了吧？谢谢！
-Right.
-Then, his status is not permanent resident any more. Did he keep a copy of I-407 from the CBP officer or get any proof of the abandonment of green card there? This evidence is important for him to apply for the green card again in the future.
移民局会根据A number 查出来吗？
-It does not matter.
我公民申请时就不能填他是绿卡了吧？谢谢！
-Right.
