—Why didn't you come to my birthday party?        

—I _____ anything about it.        [ ]

A. didn't tell              

B. have not told        

C. am not told            

D. wasn't told

组织应当理解顾客当前和未来的需求，满足顾客要求并争取（）顾客期望。

A.改变

B.实现

C.超越

D.改进