It's B. The other answers have the pronouns in the Nominative case.
Answer:
I would say C
Explanation:
Dictionary definition is: Created or arranged in a way that seems artificial and unrealistic
The correct answer for the given statement above would be option A. She will have been. The pronoun "she" is in the singular, third person. Other pronouns that are singular, third person include he, and it. And "will have been" is the conjugation of the verb "to be" in the future perfect tense.
B..................................................................