How does the train scene contribute to the author’s explanation of Ida B. Wells’ lifetime?

A
The scene illustrates the unfair treatment and hostility people of color faced and against which Ida B. Wells fought.
B
The scene serves as the last straw, motivating Ida B. Wells to speak out against injustice.
C
The scene on the train illustrates the heightening tensions between blacks and whites during Wells’ life.
D
The scene on the train provides an example of the daily injustice of segregation in transportation, which, according to the text, was just starting at this time in Wells’ life.