It Was Once Thought That "Echolalia" Was a Sign of Autism.What

It was once thought that "echolalia" was a sign of autism.What is the current belief about echolalia?

A) Echolalia is a symptom of expressive language disorder, which often co-occurs with autism.
B) Echolalia is a sign the child also may have schizophrenia.
C) Echolalia in children with autism spectrum disorder is just a sign of delayed language skills, not a symptom of their disorder.
D) Echolalia is frequently associated with mild intellectual disability.