As United Nations representatives, Shanthy and Miles were determined to establish an early warning system for tsunami threats

They had personally seen the devastation in their homeland of Sri Lanka in December 2004, and knew they had the power to affect change. In their speeches before the UN, they showed heartbreaking pictures and the tragic amateur videos from tourists when the tsunami struck. In the end, they were able to persuade the audience to consider the proposal for an early warning system. Which tip did they follow for using emotions to persuade?
a. They used emotion-arousing images to trigger audience response.
b. They used an appeal to evoke feelings of hope and pride.
c. They used concrete facts that appealed to the audience's logic.
d. They used an argument organized by problem and solution.

a