To answer your question, I searched the web for the author’s argument in this passage. I found some web pages that explain how to paraphrase and summarize an author’s argument, as well as some examples of passages with questions and answers. You can see the results of my search in the tool output below.
Based on the information I found, I think the most consistent statement with the author’s argument in this passage is (Choice C) Factions, while inevitable, can be controlled. This is because the author argues that a large republic with a diverse population and a representative government can prevent any one faction from dominating the others. The author also acknowledges that factions are natural and unavoidable in a free society, but they can be checked by the system of checks and balances and the separation of powers.