If this passage was written from the point of view of the fly and began with the sentence, "i bit the head of a bald man," which would best describe the literary term for this point of view? a) first person point of view b) second person point of view c) fourth person point of view d) third person omniscient point of view

The only relevant detail is the use of I as the personal pronoun, which signals a first-person narration. 

If it were second person, which is very rare, it would say "you."
If it were third person, it would say "he," "she," "it," or another third-person personal pronoun. It is omniscient when the narrator is all-knowing and can describe character's thoughts at any time; it is limited when the narrator has the same or less knowledge than the reader.
There is no such thing as a fourth-person point of view.