If I believe I'm correct it's B
Hope this helped ☺️
Frances most succesful colony was canada
They weren't as accurate as they could be, in fact some were just based off of educated guesses.
When the price per square meter is high, real estate companies will build higher buildings, resulting more densely populated cities. When land is cheap, as in smaller cities and villages, people tend to build lower buildings and therefore cities will be less dense.