What are the three core features used for diagnosing autism spectrum disorder in early development?

What are the three core features used for diagnosing autism spectrum disorder in early development?

• A. deficits in social communication and interaction, and restricted/repetitive patterns of behavior
• B. deficits in social-emotional reciprocity, nonverbal communicative behaviors, and restricted/repetitive interests
• C. difficulties with sensory processing and motor planning
• D. delays in language and adaptive functioning

Answer: (B)