What Is the Difference Between Gender Identity and Sexual Preference

What is the difference between gender identity and sexual preference?

A) Gender identity refers to basically homosexual relationships; sexual preference refers to heterosexual relationships.
B) Gender identity involves choice of sexual partners; sexual preference involves one's view as being either male or female.
C) Gender refers to behaviors that are psychological in nature; sexual preference refers to behaviors that are genetically caused.
D) Gender identity involves whether a person views themselves as male or female; sexual preference involves attraction to either a male or a female.