The process of Overnight transportation and delivery of packages is_____
A.Order taking→Supplies→Documentation→Translating→Billing statement→Problem solving
B.Order taking→Supplies→Pickup→Documentation→Tracing→Billing statement→Problem solving→Advice and information
C.Order taking→Supplies→Documentation→Tracing→Billing statement→Problem solving→Advice and information
D.Order taking→Supplies→Pickup→Documentation→Translating→Billing statement→Problem solving→Advice and information
正确答案是B