The significance is that he wasn't willing to let go of his chances of trying again. "They dragged Robert out the door, knees stiff, feet dragging."
He is most famous for writing his literature as Gothic.
I'm pretty sure that the answer is C
The five conflicts that are found in literature are
Man vs Man
Man vs Self
Man vs Nature
Man vs Society
Man vs Supernatural
If all five of these are options, then I would go with the first four.
I hope this helps!