The correct answer is C. It gives a different perspective on the original work's main ideas.
Source text is an important source of inspiration for any artists. He or she will either decide to replicate the original material, or create their own interpretation of it based on the analysis. This new interpretation might even show a new, different analysis of the original work by shedding light on some of its obscure details.
Better to have something valuable that isn't perfect than something useless that is perfect.
C.
Right away in the chapter "My First Supper", Bly explains how she and the patients are ordered around, and talked to in a cruel manner. They are served terrible food, and are stripped, and forced to take freezing cold baths. The environment as a whole is abusive and unlivable, and Bly shows that is clear to tell after the events of just one day.