Final answer:
Jay Gatsby is a fictional character in F. Scott Fitzgerald's novel, The Great Gatsby. He is a bootlegger involved in illegal alcohol distribution during the 1920s Prohibition era.
Step-by-step explanation:
Jay Gatsby is a fictional character created by F. Scott Fitzgerald in his novel, The Great Gatsby (1925). He is not a long-time member of East Egg's elite or a German spy. However, Gatsby is portrayed as a bootlegger, which means he is involved in illegal alcohol distribution during the Prohibition era of the 1920s. The story does not explicitly depict Gatsby as a murderer, so option D is not accurate.