Nick is taking the train into New York City with Tom Buchanan. He begins the chapter by describing an area he calls a valley of ashes. It is an area where ashes from coal burning furnaces are deposited. Everything is gray and lifeless, even the people who work and live in the area.
D. Descriptive essay
You would be describing the giraffes at the zoo
For the answer to the question above, I believe it is various forms of be.
The most common linking verbs are, am, is, are, was, were, being, and been, so the correct answer is the third choice among the given questions.