SAT English Practice Question

There are many ways to structure a persuasive argument. Some writers use logic and reason, while others rely on emotion or personal anecdotes. Regardless of the approach, a strong persuasive argument will have a clear and compelling thesis statement that is supported by evidence. What does the author intend to convey with this sentence?

1. A.present a definitive argument.
2. B.highlight the importance of a thesis statement.
3. C.summarize different types of persuasive arguments.
4. D.explain the key elements of effective argumentation.