Which of the following lines from kings letter is meant to be interpreted literally

The correct answer is: But the political leaders consistently refused to engage in good-faith negotiation.

This line from King's letter is meant to be interpreted literally. All these other lines are figurative: The radiant stars of love and brotherhood will shine over our great nation, now is the time to lift our national policy from the quicksand of racial injustice, and i t is easy for those who have never felt the stinging darts of segregation to say wait.