We can learn from Paragraph 10 that Boomers, Gen Xers and Millennials all agree that in recent years the American economy （ ）.

We can learn from Paragraph 10 that Boomers, Gen Xers and Millennials all agree that in recent years the American economy （ ）.

A.has been on the increase

B.has barely sustained itself

C.has become more prosperous

D.has recovered from the recession

正确答案是B