Which of the Following Reasons Best Explains Why the Term

Which of the following reasons best explains why the term "borderline" has been used?

A) The presenting mood was on the borderline between internal hostility and external aggression
B) Clinician's considered it to be the middle of the road diagnosis between antisocial personality disorder and histrionic personality disorder
C) The presenting symptoms did not fit into existing diagnostic criteria for emotional disorders or psychotic disorders
D) People diagnosed with borderline personality disorder also met criteria for at least two other disorders