The answer would be D) all of the above, since the sentences all use a physical thing such as the color black, or water to represent something deeper than it's literal meaning.
Answer:
As the leader of the nonviolent Civil Rights Movement of the 1950s and 1960s, Martin Luther King Jr.From his involvement in the Montgomery bus boycott in 1955 until his untimely death in 1968, King's message of change through peaceful means added to the movement's numbers and gave it its moral strength.