Which namespace structure should you use?

You are an enterprise application developer. You develop an application for a food store subsidiary of a company named Contoso, Ltd. The application contains the following components: ASP.NET applicationBusiness entitiesBusiness componentsData access layerLoggingData access helper The application design must meet the following requirements:
Use an N-tier environment.
Use components that can be reused
Use assembly names that map to the first three sections of the namespaces.

You need to identify the structure of the namespaces.
Which namespace structure should you use?

A.
Contoso.FoodStore.WebContoso.FoodStore.WebServiceContoso.FoodStore.BusinessEntitiesContoso.FoodStore.Business

B.
Contoso.FoodStore.Ui.WebContoso.FoodStore.Business.EntitiesContoso.FoodStore.Business.ComponentsContoso.Foo

C.
Contoso.FoodStore.Web.UiContoso.FoodStore.Entities.BusinessContoso.FoodStore.Components.BusinessContoso.Foo

D.
Contoso.FoodStore.Ui.WebContoso.FoodStore.Business.EntitiesContoso.FoodStore.Business.ComponentsContoso.Foo