1.a/2.b/3.d/4.b all these answers are based on my opinion
The first one is right. it joins two independent clauses with a comma followed by a conjunction.
The biggest city in the world is actually Tokyo in Japan, but it depends which aspects in your question you are looking for.
In terms of population, Tokyo.
In terms of land mass, New York, USA.
Answer:
a metaphor for the isolation of the setting
Explanation:
