The theory that borderline personality disorder (BPD) is the result of a unique combination of biological, psychological, and environmental factors, is called: A. the catastrophic cognitions theory of BPD. B. the triple vulnerabilities model of BPD. C. the genetic predisposition model of BPD. D. the biosocial developmental theory of BPD.

The correct answer to the following question will be "Option D".

Explanation:

BPD stands for "Borderline Personality Disorder". Biosocial theory suggests that a lack of intellectual or emotional control seems to be the biggest concern for BPD. Moreover, there may be many specific roots of this disadvantage or failure.The hypothesis seems to be the product of a complex combination of physiological, behavioral as well as environmental conditions.

The other options are not related to the given scenario. So Option D is the right answer.