I wanted to _______ to buy a basketball. At last I bought a nice one _______ the money I had save.[ ]

A. have money, in                

B. keep money, by      

C. save money, with              

D. saves money, for

不属于事故分析核心的是事故发生的（）。

A、过程

B、时间

C、原因

D、责任