Sophia Has Always Been Preoccupied with Schedules, Lists and Trivial

Sophia has always been preoccupied with schedules, lists and trivial details. She plans everything down to the last detail, and becomes very upset if things don't work out the way she has planned. Last week Sophia went in for a psychological assessment, and based on that assessment, she was told that she might have a personality disorder. Based on her behaviour, it is MOST likely that Sophia has

A) schizotypal personality disorder.
B) obsessive-compulsive personality disorder.
C) borderline personality disorder.
D) histrionic personality disorder.