Answer: They do not recognize the warning signs.
Explanation:
According to the article, when one is dangerously overheated, such person can have an organ failure which can lead to death.
The number of athletes that have died from heatstroke over the last ten years is about two dozens. One reason that young athletes are more at-risk for suffering a heatstroke is due to the fact that they do not recognize the warning signs.
This question has an excerpt but I just recently read the said excerpt and also found its choices, base on the excerpt and the choices, I would say that the answer would be Allusion, I hope you are satisfied with my answer and feel free to ask for more if you have questions
Dr. Martin Luther King Jr's I Have A Dream speech was more of an argumentative speech, as well as a speech that was persuading the listener to understand.