Which of the Following Is an Advantage Offered by a Functional

Which of the following is an advantage offered by a functional structure?

A) It allows for an efficient top-down communication chain and thus relies on a relatively tall structure.
B) It facilitates a lower division of labor, which is linked to higher productivity.
C) It allows for a higher degree of specialization and deeper domain expertise.
D) It facilitates a lower level of specialization.