I'm leaning more towards B, to help the reader visualize Mrs. Sommers setting herself apart from the more crowded bargain area of the store, but just to be sure, check your text to get context clues and a definitive answer.
Emerson is making a claim that people often take natural phenomena such as stars for granted.
Hope this helps :)
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.
