The main symptom of autism is a lack of interest in other people. Thus the correct option is B.
What is Autism?
A developmental impairment driven by variations in the brain is known as Autism. Interpersonal skills issues, behavior problems, difficulty speaking, and problems with nonverbal communication are the characteristics of this.
The main symptom of autism is a lack of interest in other people which is recognized in the early stage when a child hesitates or denies playing with other kids in groups. These kinds of people avoid public interaction.
Therefore, option B lack of interest in other people is appropriate.
Learn more about Autism, here:
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