Answer:
The contrast created between East Egg and West Egg suggest that the story's conflict will be based on wealth and appearances. The East Egg is the area of "old money," people who has inherited all of their money and are accustomed to a certain standard of living.
Explanation:
The characters are talking animals. Any other option would be logical and easy to explain, but talking animals don’t exist unless you consider a parrot. Nonetheless, the other options are logical and realistic while the last option is not at all realistic. Most children’s books are not realistic.
Gertrude Stein, patron of the arts, was a voluble conversationalist when artists and writers visited her Paris apartment in the 1920s and 1930s.
Form google dict., voluble means <em></em><span><em>Speaking or spoken incessantly and fluently.</em></span>