Final answer:
The diagnosis corresponding to a lack of interest in peers, repetitive movements, strict routine adherence, and echolalia is Autism Spectrum Disorder (ASD), which is a neurodevelopmental disorder with a spectrum of symptoms affecting social skills and communication.Correct option is A.
Step-by-step explanation:
The diagnosis indicative of behaviors such as no interest in peers, repetitive rocking, tantrums when routine changes, and repeating the caregiver's questions without answering is Autism Spectrum Disorder (ASD). ASD is a neurodevelopmental disorder characterized by impaired social interaction, communication issues, and engagement in repetitive behaviors or interests.
Children with ASD may have difficulty with making and maintaining eye contact, reading social cues, and showing empathy. They may also exhibit repetitive motor behaviors like rocking, strict adherence to routines, and have specific preoccupations.