Based on Longitudinal Research, Which of the Following Children with Attention-Deficit/hyperactivity

Based on longitudinal research, which of the following children with attention-deficit/hyperactivity disorder is likely to have the best treatment outcome after three years?

A) Randy, who is taking stimulant medications
B) John, who is receiving cognitive therapy and stimulant medication
C) Hamid, who is receiving academic tutoring and cognitive therapy
D) Soren, who is receiving behavioral therapy