SAT English Practice Question

The author is trying to convey the important message that every person has the ability to make a difference in the world, no matter how big or small. The author uses a simple metaphor to illustrate this idea, comparing the world to a river. The author uses vivid imagery and figurative language to help readers connect with the message. What is the most likely reason why the writer uses the river as a metaphor?

1. A.the power of nature.
2. B.the importance of human connection.
3. C.the ability of individuals to make a difference.
4. D.the challenges of life's journey.