12月初已按要求寄护照了。前几天发邮件讲明自己一些实际困难,希望移民局尽快完成签注工作。他们回复“Your application is still pending for the result of background check from Canada. This check might take months to complete. Decision can not be made until the result received. ”。担保人都已经审核通过了,怎么还在进行加拿大的背景调查?请种回复都是他们格式化的套话吗?