First, to get a proper form 4797 for MTM, you have to use the CD/download version of TurboTax.
If you want to use TurboTax to generate your Form 8949 transaction details, you do that in a preliminary tax return , print it and then put that tax return file aside under a suitable name.
You may have difficulty choosing Box A due to the way TurboTax handles Box A in recent versions.
In your actual return you will file Schedule C not D
and this will put your trade income on Schedule 1 line 3 where it belongs.
