Answer: c. The narrator is the writer.
Explanation: First-person narratives can tend towards a stream of consciousness and interior monologue, as in Marcel Proust's In Search of Lost Time. The whole of the narrative can itself be presented as a false document, such as a diary, in which the narrator makes explicit reference to the fact that he is writing or telling a story. This is the case in Bram Stoker's Dracula. As a story unfolds, narrators may be aware that they are telling a story and of their reasons for telling it. The audience that they believe they are addressing can vary. In some cases, a frame story presents the narrator as a character in an outside story who begins to tell their own story, as in Mary Shelley's Frankenstein. First-person narrators are often unreliable narrators since a narrator might be impaired (such as both Quentin and Benjy in Faulkner's The Sound and the Fury), lie (as in The Quiet American by Graham Greene, or The Book of the New Sun series by Gene Wolfe), or manipulate their own memories intentionally or not (as in The Remains of the Day by Kazuo Ishiguro, or in Ken Kesey's One Flew Over the Cuckoo's Nest). Henry James discusses his concerns about "the romantic privilege of the 'first person'" in his preface to The Ambassadors, calling it "the darkest abyss of romance." One example of a multi-level narrative structure is Joseph Conrad's novella Heart of Darkness, which has a double framework: an unidentified "I" (first person singular) narrator relates a boating trip during which another character, Marlow, uses the first person to tell a story that comprises the majority of the work. Within this nested story, it is mentioned that another character, Kurtz, told Marlow a lengthy story; however, its content is not revealed to readers. Thus, there is an "I" narrator introducing a storyteller as "he" (Marlow), who talks about himself as "I" and introduces another storyteller as "he" (Kurtz), who in turn presumably told his story from the perspective of "I".