Which of these inferences is best supported by the text?
A. The civil rights movement was not able to gain momentum following the Montgomery Bus Boycott.
B. When Parks refused to give up her seat, she was risking a very dangerous confrontation.
C. The boycott succeeded in large part due to the star power of Martin Luther King, Jr.
OD. There was no legal precedent for arresting Parks because of her actions on the bus.