Hmmm... Either A or D, but I'm not sure. I know for a fact that B and C are her motives, but A and D are quite similar
Authors use characters to show the theme. The story is the outgrowth of the theme. If an author wants to write about love lasting forever, he may write a love story with two people who realize that they are going to die and find the fountain of youth, or something like that.
