As a Country Progresses from the Preindustrial Stage to the Postindustrial

Multiple Choice

As a country progresses from the preindustrial stage to the postindustrial stage,what will happen to the birth rate and death rate?

A) Both will increase.
B) Both will decrease.
C) Both will remain unchanged.
D) Birth rate will increase,and death rate will decrease.
E) Birth rate will decrease,and death rate will increase.