C.
A and C are not a universal answer
The simplest answer i can give is that:
in step 2 you create the document and edit things such as labels<span />
The imagery assists in setting the overall tone of suspicion, saying that the area is beautiful but feels dangerous. It assists in adding symbolism as well as giving the reader a sense of foreboding.
The antagonist is the island itself, but the closest answer is B
