The smoke from that foctory is__our air to a dangerous degree.
问题描述：
The smoke from that foctory is__our air to a dangerous degree.
A destroy B spoiling C polluting D damaging 选哪个啊 为什么
答
选择C
A destory 摧毁,一般指自然灾害
B spoil变质 例如牛奶,蔬菜的变质
C air polluting 空气污染
D damage 损害 例如损害利益,损伤骨头