How Is Personality Related to Psychopathology

How is personality related to psychopathology?

A) "Personality disorders" and "psychopathology" are synonyms.
B) All forms of psychopathology studied to date eventually originate in character flaws evident in personality traits.
C) Research methods that were developed in personality science became the basis for diagnosing mental disorders.
D) Personality and psychopathology represent a continuum along which people can range from healthy to disordered levels of a particular trait or characteristic.