Answer:
The correct option is: A. Gemma exhibits deficits in social interaction by not initiating conversations with other children, and she turns her head away when spoken to
Step-by-step explanation:
Autism spectrum disorders are the neurodevelopmental disorders and include autism and Asperger syndrome. This disorder is characterized by restricted repetitive pattern of interests, activities and behavior; persistent deficits in social interactions.
Symptoms of this neurodevelopment disorder are generally recognized at the age of one or two. An individual with this disorder experiences difficulty in creating and maintaining relationships and performing daily activities or tasks.
Therefore, option A. exemplifies a symptom of autism spectrum disorder.