is a 101-year-old poem that tells the haunting tale of a shadowy supernatural being beset by other ancient evil things. It's told in Lovecraft's recognizable way, where he says a lot of creepy things but doesn't actually tell you anything..
The third omniscent point of view is when the narrator knows exactly what the character feels, thinks and acts. Taking this in viewpoint and looking over your question I would say option d is the answer.