I’m not sure if this helped but i tried
Answer:
i dont quite know this one
"His story symbolizes both his ambiguous social status during the play, and the possibility of his social mobility"
Think about it. Gwendolyn doesn't love him because of this, he's quite open about this story, so that's not demonstrating anything. And this is not played up for sympathy. This leaves us with one option.
It would be D) because that one makes more scene.
The reason why the narrator and his friend, William Swinston is short in money because of the reason that Swinston has the habit of buying whiskey in which he loves dearly that he almost spends the money they have on it. This gives the effect on their lives in which instead of having money to save and used in their needs, they lack and are short on it.