Which of the Following Exemplifies a Symptom of Autism Spectrum

Which of the following exemplifies a symptom of autism spectrum disorder?

A) Gemma exhibits deficits in social interaction by not initiating conversations with other children, and she turns her head away when spoken to.
B) Gemma is quick to anger and is incapable of dealing with a situation in which she is not the center of attention.
C) Gemma is submissive and physically clings to the people around her.
D) Gemma is very impulsive-as soon as an idea enters her head she acts upon it.