Answer:b. Repetition
Step-by-step explanation:
Repetition is a langauge structure in which we repeats certain same words or phrases in order to enforce or emphasis an idea that it will be remembered for a long time. Usually we find repetition in poems. Andrea repeats the phrase "Do we care more about" in consecutive lines to emphasize her message in drawing a line that nothing matters the most than protecting society from the impact caused by guns.