I pretty sure your answer is C
The answer to the question above is letter "D. standard". This is used in addressing well-educated readers. Also, standard diction is used in college levels and business communication. This maintains a professional town but avoids getting highly over technical.
Tessie's outburst builds the story's already tense mood. When she shouted that it made the reader more anxious/ tense and they wanted to see what would happen next.
If you search the MLA FORMAT on google you’ll find it there, might be the best option.