单选题
What can you infer about some phone carders from the passage?
A、
They want to get additional download profit from teenagers.
B、
They are faced with intense competition in the market now.
C、
They try to expand the sales of phones among adult users.
D、
They provide some free minutes for the young people.
【正确答案】
B
【答案解析】
由文中后三段得知，手机的成人市场已达饱和，只能转向难以预测的青少年市场，赠送额外的手机话费和下载收费的做法已不再是手机厂家收益增长点，总而言之，面对日益激烈的手机市场，厂家不得不别辟蹊径。
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