Answer:
D. The protagonist progresses from childhood to adulthood.
Step-by-step explanation:
Remember that Bildungsroman is a genre of novel that is characterized by the protagonist journey from childhood to adulthood. It focuses on the psychological and moral grow, therefore it usually centers in a sensitive person showing his/her doubts and experiences. A Bildungsroman often starts with the protagonist afected by a tragedy or margination, ending with a positive note finging self-realization.