I think the answer is a please tell me if I’m wrong
<span> Characterization occurs through the potentially biased point of view of one character.
The point of view is of one person, telling his story of his time in prison and the people (especially Andy) that he meets. His perspective might be biased because it is coming just from his own thoughts and opinions. </span>
<span>The correct answer should be D. Formal and impersonal. That is because you're not writing to a friend so they need to be written impersonally or else you might seem too friendly and you don't exactly know who's going to read that. They also need to be formal because proper grammar and choice of vocabulary can significantly help you with getting the job.</span>