According to Olfson and Colleagues (2003), Which of the Following

According to Olfson and colleagues (2003) , which of the following is probably NOT a reason for the increased prevalence of ADHD?

A) Parents can sometimes receive special education services for their children if children are diagnosed with ADHD
B) ADHD is better recognized and diagnosed today than in past years.
C) Professional and supportive organizations have reduced the stigma associated with an ADHD diagnosis.
D) A combination of genetic factors and changing environmental circumstances have contributed to an increase in ADHD