___ Is the Most Common Childhood-Onset Behavioral Disorder,with Estimates That

Multiple Choice

___ is the most common childhood-onset behavioral disorder,with estimates that ___.

A) Autism,there is one such child in every classroom of 25-30 students
B) ADHD,there is one such child in every classroom of 25-30 students
C) Attention deficit hyperactivity disorder;there is one such child in every classroom of 10-15 students
D) ADD,there is one such child in every classroom of 10-15 students