求助GWD-9-Q3

3)GWD-9-Q3:
            

Because of wireless service costs plummeting in the last year, and as mobile phones are increasingly common, many people now using their mobile phones to make calls across a wide region at night and on weekends, when numerous wireless companies provide unlimited airtime for a relatively small monthly fee.

A.    Because of wireless service costs plummeting in the last year, and as mobile phones are increasingly common, many people

B.    As the cost of wireless service plummeted in the last year and as mobile phones became increasingly common, many people

C.    In the last year, with the cost of wireless service plummeting, and mobile phones have become increasingly common, there are many people

D.    With the cost of wireless service plummeting in the last year and mobile phones becoming increasingly common, many people are

E.     While the cost of wireless service has plummeted in the last year and mobile phones are increasingly common, many people are

我想请问如果选D，WITH在句首应该怎么翻译呢？？

我在PREP语法笔记中看到说WITH 在句首应当理解成“逻辑主语A 拥有。。。”那么如果这样理解的话这句话就不通了

如果不是的话，难道是独立主格吗？？

请NN帮忙解答！！！万谢了！！！

不是独立主格吧

感觉就是一个with伴随状语从句，with+名词+分词