Okay i have read the whole play and i can help you out.
The dreams in the play symbolizes reality and how they were switched around with lovers who they didn't really love. I don't have the textual evidence but i know this because i had the same question.
Hope this helps:)
B.
economic is about the economy.
political is literally what it says.
social is about the society.
i think.
The subject is defined as the "doer of an action". In this case, the answers would be C and D. So, who is only eight years old? The subject, that is, "my brother". Who is fascinated by bridges? The subject, that is, "he". He is used here only so as not to repeat "my brother" all over again, but they have the same meaning.
Kinda like how Gatsby is actually very lonely. He has all this money and he throws parties in hopes that his love, Daisy will come. Of course, one day she does.... but still...
Answer:
B.) It closely resembles a real-life object.
I hope I helped! ^-^
