The correct answer is A. An autobiography is a type of narrative nonfiction.
Step-by-step explanation:
An autobiography is a text in which a person writes about his or her life, because of this autobiographies are self-written texts that include relevant details about one life in relation to family, education, profession, and others aspects mainly based on memories and own experiences rather than other details or perspectives, considering this, autobiographies should be based on real experiences which make this type of narrative a nonfiction one. Thus, it can be concluded an autobiography is a type of narrative nonfiction as it tells a series of events of one life but based on real life rather than based on fiction.