A Brain Imaging Study Showed That,in Healthy Children,peak Cortical Thickness

A brain imaging study showed that,in healthy children,peak cortical thickness occurred around the age of 7.5 years,and in children with ADHD,on average around 10.5 years.This finding implies that children with ADHD ____.

A) can be expected to lag behind their same-age peers in some tasks but will eventually experience improvement
B) will never be as intelligent as their same-age peers
C) can be expected to go through puberty approximately 3 years behind their same-age peers
D) will never catch up with their same-age peers