The correct answer is A.
The ideas in this sentence are not coordinated at all. They are merely two sentences linked by the conjunction "and."
In order to coordinate it correctly, a more appropiate conjunction should be added. One possibility would be the word "also."
This scene occurs after Gatsby's party showing that everyone was so drunk and in the moment. feeling like they are better than everyone else and not caring
<h2>'a'</h2>
because they both are trying to rescue themselves in a difficult situation.