第24题: [单项选择]A) A gun attack happened to her husband and son. B) Her son was paralyzed in a car accident. C) America was plagued by gun-related violence. D) Her husband was involved in a gun violence. 参考答案:A 答案解析:[听力原文] 29-32 At one time, Carolyn McCarthy’s world focused on the town, where she lived with