SAT English Practice Question

The author uses the word "however" to introduce a contrast between the two parts of the sentence. The first part of the sentence describes the writer’s initial view of the subject. The second part of the sentence provides a more nuanced perspective. What is the most likely reason why the author uses the word "however"?

1. A.establish a cause-and-effect relationship between the two parts of the sentence.
2. B.introduce a new idea that is related to the previous idea in the sentence.
3. C.highlight a contrast between the two parts of the sentence.
4. D.emphasize the importance of the information presented in the second part of the sentence.