【題目】Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.

A. will change B. has changed

C. will have changed D. is changing

【答案】D

【解析】試題分析：此處技術(shù)的變化指在一段時間內(nèi)一直進(jìn)行的變化，故用現(xiàn)在進(jìn)行時。句意：選一部個人用手機(jī)不是一件容易的事情，因?yàn)榧夹g(shù)變化很快。

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