I-485 Question about Application Type

[pp_uu_ii]

I have question about the application type in form I-485 part 2. I'm going to file I-485 concurrently with I-130 (based on Marriage with USC). I'm not sure between "a" or "h" that which one should i select? Thanks for the answer !!

 

[PraetorianXI]

a

 

[pp_uu_ii]

Thank you.