If principal is doing CP, the derivative cannot file I-485 until the principal enters US with immigrant visa. Also the spouse should keep his/ her independent non-immigrant status in this case. Holding a dependent ( spouse) visa such as O3 won't work.
不可以 2楼说的很明白。 主申请人CP,副申请人不能在主申请人走完全部CP流程之前485提交身份。 If principal is doing CP, the derivative cannot file I-485 until the principal enters US with immigrant visa. Also the spouse should keep his/ her independent non-immigrant status in this case. Holding a dependent ( spouse) visa such as O3 won't work.