A Correlational Study Found That Wealthy Children Were Almost Twice

A correlational study found that wealthy children were almost twice as likely as the poorest children in the study to have autism spectrum disorder.What is the likely reason?

A) Autism and the traits of high achievers lie on the same continuum.
B) The reason is impossible to determine from this correlation.
C) Wealthier parents tend to put off child-bearing until they're older,which increases the risk of autism.
D) Poorer children have less access to diagnosis and services for autism.