Which of the Following People Suffers from a Personality Disorder

Which of the following people suffers from a personality disorder whose primary symptom type involves dramatic, erratic, or emotional behaviors?

A) Caden, who has been diagnosed with schizoid personality disorder
B) Marco, who has been diagnosed with dependent personality disorder
C) Helene, who has been diagnosed with obsessive-compulsive personality disorder
D) Richard, who has been diagnosed with histrionic personality disorder