The arrangement of the three characters played an important role in the novel Reading A, B, C. A and B were one of the protagonists, and their story was one of the main plots of the novel. The interaction and conflict between A and B are the core of the novel, allowing the readers to understand the inner world of the protagonist more deeply. The relationship between the three people was also an important role in the novel, allowing the readers to feel the complex emotions and subtle psychological changes between them. The three of them were also important supporting characters in the novel. Their existence not only added color to the novel, but also gave the readers a deeper understanding of the background and the relationship between the characters. The personalities and fates of the three people were also important clues in the novel, allowing the readers to understand the theme and emotions of the novel more deeply. Therefore, the arrangement of the three characters in the novel A, B, C Reading was very important to bring a richer plot and a deeper emotional experience to the novel.