D. This kind of setback happens, so Chantelle should look for a more appealing career.
It's important for Chantelle to consider her interests and well-being. If she has realized that firefighting is not the career for her and is struggling in the program, it may be more beneficial for her to explore other options that align better with her passions and skills. Finding a career that truly resonates with her will lead to greater satisfaction and success in the long run.