I would go with:
A theme is best written as statement because a theme is main thing of a story, the author could also use a statement in a story to make it seem more alive or more real.
I Hope my answer worked for you :)
If an author is unknown you would start with the title. The correct answer is D.
Answer:
A: statistics about how few students understand basic personal finance
Explanation:
She was unable to bear him a child