D. Good for doing research.
Your first option is correct.
EXPLANATION:
your first option is correct because this is a grammar question. When you use "an" you're using it in front of a vowel. The only sentence starting with a vowel is the first one. The others don't sound right when you use "an" in front of it instead of "a".
I hope I helped! :)
Answer:
the first example of man vs nature in huckleberry Finn is when after jim and Huckleberry escape a town. Jim predicts that a storm is coming, two days later it does and they end up in a flood.
The rest also deal with the river as it is their greatest enemy throughout the book.
Explanation:
