Read the conclusion from a student’s rhetorical analysis essay. Natalie Wexler effectively argues that reform in civics education is needed. She believes that "Instead of rethinking civics, we need to rethink basic assumptions about teaching and learning." She juxtaposes current teaching methods like "action civics" with new ideas like the use of journalism. This compels the audience to consider how reform can help students engage in their communities and understand multiple perspectives on issues. She also appeals to authority to make her claim. She effectively explains why it is more important to reconsider principles of teaching and learning when considering how to improve civics education.

Which sentence could be added to improve this conclusion?

a. Wexler blames weaknesses in our educational system for why many students do not know facts about history.
b. Wexler cites expert research that current methods are resulting in a disheartening lack of civics knowledge.
c. Wexler cares a great deal about the topic and is an expert in educational reform.
d. Wexler relies on strong reasoning, but some of her points are rooted more in opinion than in fact.