I believe the answer is: praise for Rosa Parks's act
The book mentioned how Rosa Park dare to speak up against injustice during racial segregation by sitting on the seat which is meant for white passengers.
Her actions obtained a lot of praise due to her courage in addressing discrimination, and this lead to a bigger activisms to eliminate racial segregation.
B is the answer to the question
D,D,C,A,A,D,A,C,B,A,A,D,B,B,B,A,A,C,C,D
The author can use a multitude of techniques such as presenting facts/statistics to get the reader intrigued or presenting a story that the readers can connect with on a personal bond
