She is comparing two adaptations of a classical text. She has determined how each author adapts the text and how the adaptations are similar. What is the next step she should take?

A. Describe how the themes of the adaptations are developed.
B. Explain how the adaptations are different from each other.
C. Research the authors' backgrounds to see how their backgrounds affect their style.
D. Analyze the similarities to decide which parts of the stories are most important.