A nurse is caring for a child who has autism spectrum disorder. Which of the following findings should the nurse expect? (Select all that apply).

A. Children with autism spectrum disorder (ASD) often demonstrate delayed or impaired language development. B. Consistent limit testing is more characteristic of oppositional defiant disorder (ODD), not ASD. C. A short attention span is more typical of ADHD, not ASD. D. Repetitive motor behaviors (e.g., spinning toys, flapping hands) are hallmark features of ASD. E. Ritualistic or rigid routines/behaviors are common in ASD, and disruptions may cause significant distress.