I believe that the sections that answer the question are "We will not only defend ourselves to the uttermost..." and "With confidence in our armed forces..."
For me, the answer is letter D.
Only choice D has the technical words associated to geography. The rest of the choices contain common words that any mundane could use. But choice D talks about geology itself in the ocean which is highly influenced by drilling and mining. Knowledgeable readers would understand this because drilling and mining require workers to tap into the geological rocks deep beneath the ground which may cause a significant alteration in the oceanic geology.
Cheeses can be made all around the world. In the text, it explains where the most popular cheeses were originated. Most cheese come and are made in Europe. Rich Brie, Blue-veined Stilton, Feta cheese, Edam, Swiss-cheese, and Manchego are all popular cheeses that are founded in Europe.
Well for starters cross out A) because everything doesn't have to be entertaining at the same time, cross out B) because its important to have evidence so people know its true, so its C) because showing evidence helps the audience know its correct.