跨国公司的融资目标可细分为降低经营风险和( )
A．融资成本最低化
B．资金调配最优化
C．资金安置最优化
D．全球税负最低化
参考答案：A
— We took a taxi and arrived at the station an hour earlier.
— You ____ a taxi. Time was enough for you to go there by bus.[ ]
A. needn't take
B. needn't to take
C. needn't have taken
D. don't need take
（）；（）、i/o管理系统和文件管理系统等四个子系统。
