The answer is A: They express real events as if they are stories.
A biography is a form of narrative that recounts the events and stories that make up a real-life person´s history. Even though it is not fiction, it is a narrative account of that person´s life, which means that there can be, like in works of fiction, a setting, a plot, and a conclusion or resolution, which are elements both of entertainment and edification, which, in turn, can be very appealing to certain readers my mixing reality with story-telling.
