What could the writer add to his argument to make it more convincing?

Responses
A several quotations from famous poems that relate to the idea of serviceseveral quotations from famous poems that relate to the idea of service
B a few descriptions of some volunteer agencies that are available around towna few descriptions of some volunteer agencies that are available around town
C encouragement of readers to go vote for the issues that matter most to them.encouragement of readers to go vote for the issues that matter most to them.
D examples of service projects that also meet curriculum standards for academic classes

D examples of service projects that also meet curriculum standards for academic classes