A.TheMasterCatalogmustbeapropertree.
B.TheproductmanagementtoolsworkwithaMasterCatalog.
C.Aproductcannotbelongtomorethanonecategory.
D.AstoremayhavemorethanoneMasterCatalog.
参考答案：D
ATheMasterCatalogmustbeapropertreeBTheproductmanagementto
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