单项选择题
A.There can be more than one master catalog for a store
B.A sales catalog is a subset of the master catalog
C.The master catalog is the central place for the stores merchandise
D.There can be more than one sales catalog for a store
E.Multiple stores can share a master catalog
多项选择题 Inastorebasedontheconsumerdirectmodel，whichroleshavetheabilitytochangeshippingpreferencesandtaxsettings？（）
多项选择题 Whenconfiguringthemessagingsystem，whichofthefollowingarevalidparametersforthefiletransport？（）
单项选择题 WhichConsumerDirectsamplestorearchivecontainsbothasellerorganizationandaconsumerdirectorganization？（）