父母绿卡申请可以在我申请公民的同时递交吗

我五月份绿卡满5年。听说可以在我申请公民的同时递交父母绿卡申请，是这样的吗？我看了N-400申请form，没有得到confirmaton.  
如果是，我是不是应该马上办父母过来 - 等他们来了三个月后递交我的公民申请，同时申请他们的绿卡？

所有跟帖： 

• No, your 申请 may not be approved -CHEN-HELP- ♂ (90 bytes) () 01/27/2015 postreply 11:05:22

• Is it an option, or not? -朱珠儿- ♀ (0 bytes) () 01/27/2015 postreply 11:23:23

• your N 400 is not same as you are US centizenship -CHEN-HELP- ♂ (54 bytes) () 01/27/2015 postreply 11:27:47

• also your parents GC apliction need your certificator or US pass -CHEN-HELP- ♂ (0 bytes) () 01/27/2015 postreply 11:36:00

• Thanks a lot. -朱珠儿- ♀ (0 bytes) () 01/27/2015 postreply 13:31:39