Given What You Know About Effective Conclusions, Which Concluding Statement

Given what you know about effective conclusions, which concluding statement is the best choice for a speech about increasing voter registrations?

A) "As Franklin Roosevelt said, 'Nobody will ever deprive the American people of the right to vote except the American people themselves and the only way they could do this is by not voting.'"
B) "Another statistic shows that only 46 percent of Millennials voted in the last election."
C) "That's it. I hope you learned something."
D) "In conclusion, try to remember the importance of registering to vote."