Answer:
A. It shows that African Americans in the South experienced unjust treatment by white people that was dangerous to confront.
Step-by-step explanation:
"Roll of Thunder, Hear My Cry" is a novel written by Mildred D. Taylor describing racism in Mississippi in the late 1800s.
This information alone should be enough to answer the question, but let's analyze the content of the excerpt.
Obviously, Lillian Jean did some harm to the narrator of the story, Cassie, and Cassie wishes to stand up to her. However, she is quickly advised by the person in the excerpt that such confrontation might have serious consequences and to be prepared on encountering many more people like Lillian.