问题
单项选择题
Logistics seeks to identify the cheapest way of achieving a given level of ______ or service to customers.
A．avoiding
B．independent
C．related
D．availability
答案
参考答案：D
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Logistics seeks to identify the cheapest way of achieving a given level of ______ or service to customers.
A．avoiding
B．independent
C．related
D．availability
参考答案：D