The correct answer is D. standard English conventions.
While you are searching for ideas and content for your text, you will obviously want to take into consideration the uniqueness of ideas (you don't want to copy someone else), relevant support (evidence relevant for your arguments), and explained support (logical evidence that makes sense).
What you don't need to consider when it comes to ideas and content are standard English conventions. This has to do with grammar and your choice of words rather than with the actual content of your text.
c. to exaggerate
Hyperbole is used to exaggerate a thought or idea. It often makes the tone humorous or overly dramatic. It's important to be careful when using hyperbole in writing because it can also make the speaker seem unreliable since a hyperbole is not a complete truth. A few examples of everyday hyperboles are: My homework is going to take forever. I'm so hungry, I could eat a cow. I'm so embarrassed, I could die.
A physical description of the character lets us know the character and the setting better.
On number one, it's B. on number two, it's C.