Answer:
a useless arm on Tom's left side
So when people make tragic movies there is always a theme to them or a goal the author is trying to get out. It might be a sad movie that a lot of bad things happen but in the end usually something good comes out of it and that can help people, or can even be more interesting, to be a successful story.
F. Scott Fitzgerald wrote the great gatsby
It is Either D or A most likely D