The process of linking two clauses in a sentence so that one clause is dependent on (orsubordinate to) another. Contrast with coordination. Clauses joined by coordination are called main clauses (or independent clauses).
Since a compound sentence consists of at least two independent clauses usually connected with a conjunction, the correct answer is D. Because there are two independent clauses: 1. Liberty Island is a small, uninhabited island, + but + 2. it is best known as the location of the Statue of Liberty. It is the only correctly written compound sentence, because of BUT.
For a little bit of context, George woke up one morning and saw himslef transform into one gigantic insect in his bed,
Because he saw his situation as extremely unbelievable , he thought moing his body might destroy the current 'delusion' that he had and make his perception came back to normal.