Answer: B) I and II.
Explanation: A reliable narrator is a speaker who is credible in a narrative, an unreliable narrator is the opposite. The narrator reliability is the level of trust we should give the narrator and it should be determined by two things, the level of knowledge the narrator has about a subject, and the narrator's capacity to give impartial thoughts despite his relationship with the characters of the story, to push away his prejudices and give an objective point of view.
