Answer: d)severe
Explanation: Severe intellectual disability is described as the disability in which the person requires a supervision and care from the family for home and social settings.They can perform the daily routine activities normally like taking care of themselves, etc .
Mel is also dealing with the severe intellectual ability in which he can do his daily tasks easily but requires supervision for his living conditions and painting.
Other options are incorrect because mild and moderate intellectual ability persisting people require low amount of supervision for care and support .Profound intellectual ability persisting people require lot of support and cannot live independently.Thus, the correct option is option(d).
