A) is not the answer because we use nearby resources as an important factor in the site and growth of cities.
B) is not the answer because we need to be able to go and trade with other cities, or countries.
C) is correct because people don't use the prevailing wind direction as an important factor in the site and growth of cities.
D) is not the answer because we need to be able to defend our city or country.
So the correct answer is C)
Hope I helped.