Which of these describes a possible sexual orientation?
a. intersexuality
b. bisexuality
c. transgender
d. feminine-oriented

Explanation:

Bisexuality describes a sexual orientation, because refer to people who are sexually attracted to both genders, for example a man who likes sexually women and men.

Transgender isn't a best describer of sexual orientation because specifically refers to people who doesn't field identify with their gender. A transgender person not necessarily is homosexual for example, there are cases where women don't feel themselves as such, but they still like men.

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