The DSM-IV TR Had a Classification for Both Autism Spectrum

Multiple Choice

The DSM-IV TR had a classification for both autism spectrum disorder (ASD) and Asperger's disorder arguing that in the latter:

A) children show no significant communication deficits.
B) in the first three years of life, children show underdeveloped cognitive skills.
C) children tend to have lower IQ scores.
D) children experience significant impairments in their language and social functioning.