一位师傅培训多名学徒，每名学徒只有一位师傅，则师傅与学徒之间的联系类型属于（）

A.多对多联系

B.一对一联系

C.多对一联系

D.一对多联系

Organizations are now extending their （） beyond the end customer to include the acceptance and disassembly of final products for reuse in the new products.

A.Sourcing strategy

B.Distribution channels

C.Customer service

D.Internal functions