In Germany,infectious and Parasitic Diseases Are Relatively Rare,chronic and Degenerative

In Germany,infectious and parasitic diseases are relatively rare,chronic and degenerative diseases are relatively common,and life expectancy is high.From these facts,we can conclude that Germany has experienced the

A) epidemiological transition.
B) sociological transition.
C) expectational profile.
D) demographic shift.
E) developed nation syndrome.