The answer is B. Slavery ended long before that point, Martin Luther King Jr. spoke up about segregation. So A doesn’t make sense. C doesn’t make sense because MLK didn’t think things were going well, he spoke up because things WERENT going well. D doesn’t make sense either.
It is comparing two things without using like or as so it is a Metaphor
The children have been studying for the test
Answer:
C.....................Hope it helps