WhichinventorymanagementfeatureofWebSphereCommerceAcceleratorshouldauserwiththeBuyer（sell-side）roleusetorecordinventorythathasbeenorderedfromavendor，sothatbackorderscanbeallocatedagainstthisinventory？（）
A.AdHoc
B.Expected
C.Future
D.Ordered
E.Planned
参考答案：B
