The Major Difference in Diagnostic Criteria for Children and Adults

The major difference in diagnostic criteria for children and adults with ADHD is that:

A) Children have to have symptom onset prior to age 7; adults can have onset at any age
B) Children need to have at least six symptoms; adults need to have at least five symptoms
C) Children need to have at least five symptoms; adults need to have at least six symptoms
D) There is no difference - the same criteria are applied to children and adults