Martin Luther King Jr. uses a metaphor in his speech, comparing justice to an injured person to illustrate its vulnerability. This technique evokes an emotional response and emphasizes the need for societal responsibility in upholding justice. ;
Martin Luther King Jr. employs a metaphor by comparing justice to an injured person to illustrate its vulnerability and the societal neglect it faces. This technique evokes emotional responses and emphasizes the urgent need to support and restore justice. Therefore, the correct answer is A. Metaphor.
;