Why Did Sigmund Freud Pursue a Private Practice

Why did Sigmund Freud pursue a private practice?

A) He knew that as a Jew he would probably not advance far in research/academia, which was rife with anti-Semitism.
B) As a clinical psychologist, he was following the career path that most other clinical psychologists of his time and place had followed.
C) An enduring interest in private practice is what prompted him to seek training in the first place.
D) none of the above