I spotted D as your original right away and thought A might be as well. D sounds most human, especially the trailing last word. I think your voice sounds strong enough that you can probably address issues like the weak finish through comping takes and also using compression / saturation to build...
I just downloaded VoiceAI and ReSing to test and created four alternate vocals - one female in VoiceAI, and 2 female + 1 male in ReSing. I'm wrestling with timeline issues, just a workflow problem in Pro Tools from what I can tell, so no good demos yet.
The VoiceID female singer has a thinness...