Which sentence connects an element of a story to a theme?
A: The story takes place during the early 1900s and helps readers understand how women were treated differently during that time.
B: The symbol of the butterfly helps readers understand the importance of change in a person's life.
C: The main character's change from being overly critical to compassionate helps readers understand that empathy is needed to understand others.
D: The conflict between the main character and her mother helps readers understand typical relationships between parents and children.