I think it is C because A is missing commas, B doesn't need them and D doesn't need one.
The word choice and tone are the primary aspects of a written work which can help the reader determine the author's purpose. For example, a satire using caustic words will allow the reader to see that the work is a satire and is aimed at being critical of the subject at hand. On the other hand, a humorous work will have a lighthearted tone in which the author uses funny words to describe a situation or a person.
Answer:
to explain her viewpoint on the wonders of reading
In I Know Why the Caged Bird Sings, author Maya Angelou's purpose is to tell about her childhood, while she shows how she thinks and feels about her childhood.
Answer:
The detail about the raccoon’s wanting to catch the crawfish should be included, because it is related to an important event in the story.
Explanation: