Final answer:
The level of the Rancho Los Amigos Scale at which the patient no longer requires supervision once tasks have been learned is Level VII - Automatic-Appropriate.
Step-by-step explanation:
The Rancho Los Amigos Scale is used to assess individuals after a brain injury, primarily focusing on cognitive and behavioral rehabilitation progression. The correct answer to the question is c) Level VII - Automatic-Appropriate, which is when the patient no longer requires supervision once tasks have been learned. At this level, individuals can perform routine tasks automatically and appear appropriate and purposeful, but may still have difficulties with judgment, planning, and initiating tasks.