Some Have Proposed That the Personality Disorders Be Replaced or Supplemented

Some have proposed that the personality disorders be replaced or supplemented by a dimensional model in which individuals would be rated on a series of personality dimensions as well as a categorical diagnosis. It is believed that this would have advantages over a purely categorical system. Which of the following would be such an advantage?

A) It would retain more information about each individual.
B) It would be more flexible.
C) It would avoid arbitrary decisions involved in assignment to a diagnostic category.
D) All of these