The answer is D.
An estuary is a body of water with a connection to the sea.
Straits are waterways between major bodies of water.
Bays are connected to oceans and lakes and they leave an indentation on the shoreline
A is correct as that is the only one having to do with some sort of Latin culture:)
63 percent of total Sub-Saharan population live in rural areas, whereas 74 per cent of all EU-citizens live in urban areas and 26 per cent in the countryside.