B,C,D: Treatment techniques that are used to treat children with autism include sensory integrative techniques, such as swinging or animal walks to provide specific types of sensory input, and visual structure to help compensate for deficits in other sensory areas, such as visual schedules and timers. Exposure to flashing lights or loud noises would likely exacerbate the girl’s sensory dysfunction in visual or auditory processing, rather than help to provide appropriate input. These techniques are also likely to cause the girl discomfort and distress.