Question occupy

3.2 Form, Structure, and Sense - Consistent tone and style
0:00

Occupying a significant part of modern-day Nigeria, the Kingdom of Benin was one of the major powers in West Africa between the thirteenth and nineteenth centuries. It blank ruled by Oba Ewuare we from 1440 to 1473.

Which choice completes the text so that it conforms to the conventions of Standard English?

A.

is

B.

will be

C.

has been

D.

was