回複：多謝美西遊子，485pending4yrs, sdfsdfsdff,gcprisoner, 請再確認一下：Approval

I-797 itself is just a form USCIS uses to send out notice, it can be anything of their action upon the case, receipt notice, approval notice or even denial, so you need to read the content of the form, it can be A, B, C, ...