Most likely teens and adults. Horror can have a wide range of readers, but in specifics it might be best to look up online what age or groups of people read mostly Edgar Alan Poe
You're answer is letter D- Socialism , Karl Marx
I would say it is A. Shahrazad's goal was to postpone her death by stopping her storytelling by dawn so the king would spare her to finish that day's story the next night. I would not say it is B. because if she had finished her story the first night, she would never had been able to stay alive for those 1001 nights. It is not C or D. either, because she never finishes her stories(until the 1001th night, in which the king decided he wouldn't kill her after all) and the storytelling is not disappointing because she always finishes the story the next day.