Professor Kiley Was Contrasting Childhood and Adolescent Psychiatric Disorders with Adult

Professor Kiley was contrasting childhood and adolescent psychiatric disorders with adult disorders. Which of his statements is accurate?

A) Understanding the parallels between childhood and adolescent disorders and adult disorders helps reduce the complexity of making a diagnosis.
B) Diagnosing children and adolescents is similar to diagnosing adults because behaviors observed in adulthood disorders are abnormal for children.
C) Diagnosing children and adolescents is similar to diagnosing adults because there are similarities of symptoms presentation between childhood and adulthood.
D) Accurate diagnosis and treatment requires a thorough understanding of normal child development as well as the risk factors and symptoms of childhood and adolescent psychiatric disorders.