Answer:
Sufficient background information helps your reader determine if you have a basic understanding of the research problem being investigated and promotes confidence in the overall quality of your analysis and findings.
Answer:
Because you're handsome, Helen Grey,
Is that a reason to be proud?
Your eyes are bold, your laugh is loud,
Your steps go mincing on their way;
But so you miss that modest charm
Which is the surest charm of all:
Take heed, you yet may trip and fall,
And no man care to stretch his arm.
I believe the answer is D as well. Hope this helps