问题
It is smoggy (雾的) these days. That’s terrible!—Yes, I hope to plant trees. ______ trees, ______air pollution.
A:The more; the fewer
B:the less; the more
C:The less; the fewer
D:The more; the less;
B:the less; the more
C:The less; the fewer
D:The more; the less;
正确答案是：
