Which Statement Is Most Aligned with the Views of a Positivist

Which statement is most aligned with the views of a positivist criminologist?

A) Criminal wrongdoing is the result of rational choices made by a criminal.
B) We can understand crime solely by examining the psychology of offenders.
C) Only by looking at the external and internal factors affecting an offender can we understand criminal behaviour.
D) All punishments are harmful, and their use is only warranted if the punishment prevents greater evil than it creates.