Ok the answer was here someone said D, and it's wrong, I just take the test.
So the really answer is:
They both challenged the status quo of poetic expression.
-------Apex.
Answer:
Lacking development or progressive movement
The answer for this question would be A) Self-doubt.
A function a backstory has is giving you insight on the reasons the character does what they do (aka revealing motivations)
I hope I helped!