下列不属于非平凡函数依赖的是______。A) (CustomerID,ProviderID,BuyDate)→GoodsNameB) (Custome

下列不属于非平凡函数依赖的是______。

A) (CustomerID，ProviderID，BuyDate)→GoodsName

B) (CustomerID，ProviderID，BuyDate)→GoodsName，ProviderID

C) (CustomerID，ProviderID，BuyDare)→GoodsClassID

D) (CustomerID，ProvideIID，BuyDate)→ProviderID

A．

B．

C．

D．