Final answer:
The theme best supported by this situation is that doing what is right may require people to do what is uncomfortable.
Step-by-step explanation:
The best supported theme in this situation is Doing what is right may require people to do what is uncomfortable. The dialogue shows that the character Charlotte agrees to tell their Mom about what is happening, even though they were initially hesitant. This demonstrates that sometimes doing the right thing can be uncomfortable or difficult, but it is still necessary.
Learn more about Theme in literature