SAT English Practice Question

The passage explains how the author initially found the idea of a certain type of animal behavior surprising. The author then goes on to describe how the author’s view changed. This is followed by a description of a new development in research related to the author’s findings. What is the most likely reason why the writer uses a series of contrasts to describe the author’s changing view?

1. A.highlight the author’s evolving understanding of a certain scientific phenomenon.
2. B.emphasize the importance of the author’s research.
3. C.suggest that the author is trying to convince the reader of a particular point of view.
4. D.create a sense of suspense and intrigue for the reader.