单选题
Each winter holiday makers in the mountains come face to face with death because ______.
A、
they fail to realize how dangerous avalanches can be
B、
they are not expert enough at skiing on the fixed runs
C、
they are trying to avoid areas where avalanches happen
D、
they ski great distances down the mountainsides
【正确答案】
A
【答案解析】
细节题。根据第一段第二句，当度假者在固定滑道滑下时，很少意识到即使是一次小的雪崩也足以使他们摔下并被数吨的白雪掩埋。
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