What does the author say in the chapter on skyscrapers?

What does the author say in the chapter on skyscrapers?

A.The automatic lift is indispensable in skyscrapers.

B.People enjoy living in skyscrapers with a view.

C.Skyscrapers are a sure sign of a city’s prosperity.

D.Recession closely follows a skyscraper boom.

正确答案是D