题目内容：
According to the author, one of the driving forces behind M&A wave is _______ .
A the greater customer demands
B a surplus supply for the market
C a growing productivity
D the increase of the world's wealth
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：According to the author, one of the driving forces behind M&A wave is _______ .
- 题目分类：习题答案
- 题目类型：选择题
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