III. Reading Comprehension: Choose the most appropriate answer. (2 points each； 40 points in total)Passage A: Questions 31-35
        Beth Sanden has done 28 marathons and 35 triathlons, on all seven continents around theworld, and that's all while even she's been in a wheelchair. Sanden was paralyzed from her rib cagedown at the age of 47 when her bike hit a hole. With only 35 percent movement in one leg and 10percent in the other, she was warned that she would never walk again. However, she was notdeterred by her disability. Bighteen months after her accident, she had relearned to walk with awalker and a brace. She also relearned how to swim, with the help of a friend who was paralyzedby a car accident. Sanden started doing triathlons and marathons with a handcycle, competing inelite competitions such as the 26.2-mile Boston Marathon. She also trains others to do triathlons.She runs camps, charging able-bodied athletes but training "para" athletes (those with disabilities)for free. She's run the Kilimanjaro Marathon in Tanzania, the Lima Marathon in Peru, the GreatWall of China Marathon and even a marathon in Antarctica. In some of these races, Sanden'shandcycle was useless. She had to use her cane, her brace and her walker to navigate rough terrainto finish the races.
【題組】31. Who is Beth Sanden?
(A) She's a sports announcer.
(B) She's an athlete.
(C) She's a politician.
(D) She's a travel agent.