The word "dream" emphasises the longing which the persona holds that is not quite tangible - the repetition implies this "dream" is reoccurring, showing that the persona's longing is all the more strong.
The sentence that contains a subordinating connection is D, the one that reads as follows: "as a result, we bought a cooler and made sandwiches for our trip back home". A subordinating connection, also known as subordinating conjunction, is a word or phrase that links a dependent clause to an independent clause. "As a result" is a subordinating conjunction that is used to introduce cause and effect relationships.
In the short story "The Glass of Milk" by Manuel Rojas, the boy sees the sea as a representation of freedom. The boy looks out to the sea often because he is free to do and travel as he please. In contrast to the sea, the writer describes the great city as "... a place of slavery: stale, dark, without the grand sweep of the sea; among its high walls and narrow streets people lived and died bewildered by agonizing drudgery.