The author most probably mentions the "novel's cyclical structure" in order to A. demonstrate that Twain was keenly aware of novelistic construction B. show that the remaining twelve chapters have little connection to the rest of the novel C. support the critic's position that Twain was unaware of novelistic construction D. provide support for a particular critical interpretation of Twain's work E. argue that Twain's protagonist has much in common with Oedipus