I think the answer will be A
I went on walking home while I was thinking about the movie and then suddenly I wished I had some company.
we're poorer than the socs and the middle class however I reckon we are wilder too .
I'm pretty sure it is Theme.
Theme is the central topic of the text. passage, story, or anything else. So it may possibly also be the same for the underlying meaning and universal truth...but again, I am not sure.