In a $($an$)\_\_\_\_\_\_$ employees working in empowered teams assume the responsibility to make decisions as organizational needs dictate. In a $($an$)\_\_\_\_\_\_$decision$-$making authority is retained at the top of the organization, each employee performs a clearly defined task and knows exactly what his or her area of responsibility is$.$

A$.$

divisional structure; matrix structure

B$.$

functional structure; divisional structure

C$.$

matrix structure; divisional structure

D$.$

organic structure; mechanistic structure