People Often Say That the World Used to Be a Better

People often say that the world used to be a better place; that families, marriages, and so on were better off in the recent past. This practice of looking backward to purportedly better times is

A) a very modern phenomenon, emerging from postmodernist concepts of disintegration.
B) a common phenomenon in recent history, stemming from settlers who looked back at their presettler living conditions as representing an easier time.
C) an ancient practice, going back thousands of years to the Greeks.
D) none of the above.