After Performing a Task Analysis While Noah Uses the Toilet

After performing a task analysis while Noah uses the toilet at school, the occupational therapist notes that Noah does not know the routine for toileting and has outbursts while in the bathroom. What possible adaptation(s) may help Noah be successful?

A) Review data collected when Noah is wet or dry, and set up a schedule for when he goes to the bathroom.
B) Use a visual schedule.
C) Urge the family, caregivers, and school personnel to use the same routine with Noah across environments.
D) All of the above