Final answer:
Edgar Lee Masters was a multi-genre American writer, known as a poet, playwright, and also delving into prose. The correct answer is d) All of the above.
Step-by-step explanation:
Edgar Lee Masters was a talented writer known predominantly for his poetry, specifically the Spoon River Anthology, which cemented his place in the American literary canon.
However, Masters was not limited to poetry; he also wrote plays and novels, thereby showcasing his versatility as a writer. Edgar Lee Masters was a multi-genre American writer, known as a poet, playwright, and also delving into prose. The correct answer is d) All of the above.
So, in response to the question, Edgar Lee Masters is: d) All of the above. He was a poet, a playwright, and he also delved into writing prose, which included short stories. His body of work expands across different literary forms, making him a multifaceted figure in American literature.