题目内容:
47.
A.Although it may seem that everyone owns a smartphone these days. B.If Apple offers a less expensive model of the iPhone later this year.
C.The same theory can be applied to customers who are making the switch to smartphones today.
D.Who purchased a new mobile phone in the last three months.
E.The smartphone race is still raging.
F.If it works,why switch?
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答案解析: