Which of the Following Organizations Outsources Its Work

Which of the following organizations outsources its work?

A) Lenc Inc.is a chain of stores that sells home appliances and is spread across the United States.Goods not available in one of its stores can be procured from its other stores.
B) Zeta Inc.supplies raw materials to Clips&Hangers,a soap and detergent manufacturing organization.
C) Lusach Dine entered into a two-year contract with Soy&Cream for procuring its dairy products.
D) Ace Healthcare entered into a five-year contract with Masters Inc.to take care of Ace Healthcare's recruiting process and insurance policies.