GWD-9-3

GWD-9-Q3:D

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

我选择了D,可是答案是E.

我认为逻辑不应该是E,啊

这里没有转折的意思, E:然而费用上升了,人们选择便宜的时候打电话.???

D错在哪里?

费用是下降了。

尽管费用下降了，人们还是选择便宜的时候打电话。