gwd19-3

FionaLiang

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.

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

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

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

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

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

答案是D，我选的是B，请指教！谢谢！

顾风

没有谓语

many people now using，缺少be动词

FionaLiang

哎呀！真是的！我发现现在真是学着学着脑袋都发懵，连这种错误也范真是不应该！

GMAT阿驴

这题在GWD中好象选E啊  前后构成转折 WHILE

顾风

E不平行

mymengming

偶觉得E好像改变句意了,当^^^^^的时候^^^^^^

文章是因果关系的唉

mymengming

而且把一个动作和一个状态并列也不合理的哦