单项选择题
（） is to get the materials and services from a company.
A.Ordering B.Procurement C.Purchasing D.Application
单项选择题 What is the most important marker-related factor to the transport cost?（）
单项选择题 What is the most important product-related factor to the transport cost?（）
单项选择题 How many product-related factors are there to influence the transport cost?（）
