________ percent of all cancers could be averted if people ate more fruits, vegetables, and plant-based foods and minimized high-fat, high-calorie edibles.
[A] 30-40
[B] 40-50
[C] 50-60
[D] 60-70
正确答案：A
只要找到原句的出处就可以判断出如果摄入更多的水果蔬菜植物类食物并减少高脂肪高热量的食物就可以预防30％～40％的癌症所以A是正确答案
