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【题目】Selecting a mobile phone is no easy task because technology_______ so rapidly.

A. has changed B. is changing

C. will have changed D. will changed

【答案】B

【解析】

试题分析:句意:挑选手机不是容易的活,因为技术变化的如此快现在进行时态在此表示了一种“持续变化”的状态,体现了“变化、趋势、发展和进展”,故选B。

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