James Was Diagnosed with ADHD at an Early Age

James was diagnosed with ADHD at an early age.Throughout school he had extreme academic difficulties,though he excelled at art.When he graduated from high school he started a career as an artist and quickly began to sell his work and achieved critical acclaim.As an adult he was experiencing life success even though he still had symptoms of ADHD.Which of the four general principles of developmental psychopathology does this example BEST illustrate?

A) Abnormality is normal.
B) Disability changes year by year.
C) Life may be better or worse in adulthood.
D) Diagnosis and treatment reflect the social context.