The poem is about a series of pictures and it is describing the pictures and all the details they entail.
Answer:
nobody is ever really alone
Explanation:
The t-shirt that they give only to people who finish is a big reason that so many people take up the challenging race.
This paraphrase presents the same information as in the sentence, but since it should be a bit more of a summary, it takes out the specific detail of how many people actually run the race, which can just be paraphrased into 'so many'.
A. Noun because is a fish is a noun and its a person place or thing
