"Beautiful antique instruments" is the appositive phrase. It renames "guitars".****
The words in the sentence that make up the appositive phrase are "beautiful antigue instruments" and the word that it renames is "guitars" (D). ;
The appositive phrase in the sentence is "beautiful antique instruments," and it renames "guitars." This phrase provides more detail about the type of guitars. Therefore, the correct answer is option D.
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