as @mzjensen has stated previously, archi-lab will not work in Dynamo for Civil 3D. However, if you can open it in revit, I believe you can take the code from the nodes. the “group_curves” node’s code is fully usable in civil 3D.
I hunted down the code for it and used it my text-halo script. I have also re-shared the code in my post: