Answer:
Adventure camp is where you get to do exciting things you’ve never done before.
Explanation:
The options you were given are the following:
The topic sentence of a paragraph is its most important sentence. It summarizes the information the rest of the paragraph contains, and it's usually the first sentence.
The sentence that best refines Jalen's topic sentence is the first one: Adventure camp is where you get to do exciting things you’ve never done before. The rest of the sentences are details about Jalen's time at the adventure camp, which is why they are not suitable to be the topic sentence.