Which region is urban? A] city B] outside of the city C] farm

B

Explanation:

I'm 89% sure, so don't get mad when you're right

A. city

Explanation:

Cities are known as urban. Urban refers to a built up area with high population and infrastructure.

Sub-urbans are communities outside of the city. They tend to have a medium amount of people but could have the same amount of buildings. However the building tend not be so tall.

Farms are countryside settlements. There tend not be hardly any people or convenient buildings for miles.