A 10-year-old child in whom autism was diagnosed at the age of 3 years attends a school for developmentally disabled children and lives with parents. The child has frequent episodes of self-biting and head-banging and needs help with feeding and toileting. What is the priority nursing goal for this child?
a. control repetitive behaviors
b. be able to feed independently
c. remain safe from self-inflicted injury
d. develop control of urinary elimination