air pollution getting worse the government needs to come up with some effective measures

问题补充：

air pollution getting worse, the government needs to come up with some effective measures to deal with it.

A. Because

B. For

C. As

D. With

答案：

A. Because

B. For

C. As

(答案→)D. With

解析：

试题分析:句意：随着空气污染的日益严重，政府需要想出一些有效的措施去处理这个问题。从动词getting判断此处不是句子，而是“with+宾语+补语”结构，表示伴随情况，而其他介词没有这种复合结构，而because是连词，用来连接句子，答案选D。