Zimway Inc

Zimway Inc.is a small-scale manufacturer of linen.Couture Corp.,a big apparel brand,buys linen from Zimway in large quantities.Zimway,otherwise,has very few clients,and most of them buy linen occasionally and in minimal quantities.Therefore,business ties with Couture is crucial for Zimway's survival and success.In the context of the specific environment,which of the following concepts is illustrated in the scenario? 

A)  ​Buyer dependence 
B)  ​Supplier dependence 
C)  ​Idealistic behavior 
D)  ​Opportunistic behavior