一个纯粹的职能结构最适合获得（）优势。
A.创新
B.差异化
C.内部的效率
D.灵活性
E.所有以上选项
参考答案：C
He complained that this was the third time he of the changes of the meeting date.
A．would be informed
B．was informed
C．has been informed
D．has been informed
私营经济与公有经济有本质的不同，因此两才必然是对抗的
