题目内容:
What does the author mean by saying“kick everything up another notch”(Last line of the last Para.)?
A.The online sale price ofAKG has made its characteristics more valuable. B.The online sale price of AKG has devalued its characteristies.
C.The online sale price ofAKG has made the headphones devalued.
D.The online sale price ofAKG has cut a gap on its characteristies.
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答案解析: