The correct answer is D. Continuing for a long time
1-2 sentences should be enough.
Answer: It’s surprising that the author is “not worried,” even though drowning or other harm
seems possible. He is “more amazed than anything” at feeling protected by the river. His feeling of being “one with this river” is unexpected, because experiencing a severe storm while being vulnerable in a canoe usually creates the feeling of fear.
Explanation:This is how he fells I got the answer correct.
A, because it's simply stating they are harmful and the rest use you as an example