C）根据对话内容，从下面方框中选择适当的单词或词组填空，使对话内容完整正确，并将答案填写相应位置上。

   By the time he was 13 years old, a rare disease had taken away Erik Weihenmayer's eyesight. Although he lost his eyesight, he did not lose his   . On May 25th, 2001, the 32-year-old man became the first blind person to climb the world's    mountain. Erick is not only a world-class mountain climber but also a good skier and skydiver. Helong-distance cycle races and run several marathons. He hopes to become one of the youngest people to climb all of the "Seven Summits”, the highest mountains on each of the world's seven continents.    the best thing he has done, , is showing the world that it is possible to overcome even the greatest difficulties.