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.
Answer:
E: all of the above
Explanation:
All the points presented have some advice on how to create a more formal and professional tone in writing communication:
A and B: Mentioning the request in advance , and better explaining the purpose shows respect and consideration.
C and D: informal language and contractions are not fit for fomal and professional writing.