Answer:
D. One member voiced concerns about adopting new school uniforms, which led to a comprise that updated the school's dress code.
Step-by-step explanation:
Becoming a part of the student council makes that particular student representative of the rest of the students. That means that student can take issues faced by students to the administration and have them come up with a solution.
In the above question, option D is makes more sense as it provides real time evidence for what a member of student council is capable of.