Answer:
D. Methinks already from this chemic flame, I see a city of more precious mould: Rich as the town which gives the Indies name, With silver paved, and all divine with gold.
Explanation:
The appositive phrase defines the term asterism. It tells the reader that an asterism is an "informal constellation name".
Appositive phrases are often surrounded by commas. They follow a noun and rename or describe it. Another example is "My dog, a yellow lab, loves to play ball." In this sentence the appositive phrase is "a yellow lab". It describes the noun - dog using a noun - lab.
