【题目】Young people may risk deaf if they are exposed to very loud music every day.
A. to go B. to have gone
C. going D. having gone
在线课程【答案】C
【解析】risk意为冒……的危险，用法为risk doing something，冒险干某事，因此排除AB, D项中额having done意为已经干了某事，与此处句意不符，因此选择C项，句意为，如果年轻人每天都暴露在非常吵闹的音乐声中，他们可能有耳朵失聪的危险。