Read the sentence.

Carl Gustav Jung was a Swiss psychiatrist and psychoanalyst and founded analytical psychology and had fundamental differences with Sigmund Freud who once mentored him.

Which revision BEST improves the syntax of the sentence?
Responses

AAs a Swiss psychiatrist and psychoanalyst, analytical psychology was what Carl Gustav Jung founded and he had fundamental differences with Sigmund Freud who once mentored him.
As a Swiss psychiatrist and psychoanalyst, analytical psychology was what Carl Gustav Jung founded and he had fundamental differences with Sigmund Freud who once mentored him.
BA Swiss psychiatrist and psychoanalyst, Carl Gustav Jung founded analytical psychology and had fundamental differences with his once mentor Sigmund Freud.
A Swiss psychiatrist and psychoanalyst, Carl Gustav Jung founded analytical psychology and had fundamental differences with his once mentor Sigmund Freud.
CFunder of analytical psychology, Carl Gustav Jung was a Swiss psychiatrist and psychoanalyst and he had fundamental differences with Sigmund Freud who once mentored him.
Funder of analytical psychology, Carl Gustav Jung was a Swiss psychiatrist and psychoanalyst and he had fundamental differences with Sigmund Freud who once mentored him.
DCarl Gustav Jung, a Swiss psychiatrist and psychoanalyst, founded analytical psychology and had fundamental differences with his once mentor Sigmund Freud.

DCarl Gustav Jung, a Swiss psychiatrist and psychoanalyst, founded analytical psychology and had fundamental differences with his once mentor Sigmund Freud.