Final answer:
The quote that supports the theme of class and describes the valley of ashes in "The Great Gatsby" is c) "This is a valley of ashes—a fantastic farm where ashes grow like wheat." It emphasizes the desolate and impoverished nature of the valley of ashes, contrasting with the wealthy characters in the novel.
Step-by-step explanation:
The quote that supports the theme of class and describes the valley of ashes in "The Great Gatsby" is c) "This is a valley of ashes—a fantastic farm where ashes grow like wheat." This quote portrays the desolate and impoverished nature of the valley of ashes, which represents the lower class in society. It emphasizes the stark contrast between the wealthy characters in the novel, such as Gatsby, and the poor inhabitants of the valley of ashes. The use of the term "fantastic farm" suggests irony, highlighting the harsh reality of the working class living in such bleak conditions.