The answer is B: essay.
The essay genre in writing covers many forms, from an academic paper or article to a pamphlet. They can be classified as either formal or informal. In general, an essay is a text that conveys a founded argument upon an author´s perspective of a certain issue. In the classical tradition of the essay, most notably in the form developed by Rabelais, an essay includes the writer´s personal viewpoints, usually handled with great mastery of the language and a rich sense of critical poignancy.
The actual correct answer is:
C.) It can create tension, mystery, and surprise.
I expected it to end with none of the humans turning out to be ailen after all. I thought that maybe there was aliens, but they were messing with the people of the town to make them push the blame on eachother.