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阅读下面短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an extra amount of anxiety or stress for young athletes. Stress can be physical, emotional, or psychological and research has indicated that……