Final answer:
3D editing is primarily handled through the 3D panel, which provides specific tools for manipulating and editing 3D objects in software such as Adobe Photoshop.
Step-by-step explanation:
In 3D editing, the appropriate panel to handle this function within software like Adobe Photoshop is C) The 3D panel. Neither the Layers panel, the Actions panel, nor the Adjustments panel is primarily used for 3D editing. The 3D panel specifically provides tools and settings that are necessary to manipulate and edit 3D objects. Examples include changing the orientation, lighting, and texture of a 3D model within a project.