Answer:
If you are asking if that is a sentence explaining how to use the word Best I would say that's correct.
Explanation:
If not I don't know
Answer:
A
Explanation:
It says a "narrative essay" and A makes the most sense. You aren't analyzing, you're not telling a story going place to place. It says "exciting journey" and you don't need to argue about anything.
A topic is the main idea of a writing. In this case, the topic of the essay is Yellowstone National Park because the essay talks about the national park itself.