What Characterizes the Fourth Stage (Post-Industrial)of the Demographic Transition Model

What characterizes the fourth stage (post-industrial) of the demographic transition model?

A) Birth rates remained high, but death rates dropped sharply due to medical and  other innovations of the Industrial Revolution.
B) Birth rates begin to fall as affluence spread
C) Low birth rates and low death rates result in low population growth
D) Birth rates are low and death rates are high.
E) The population growth rate increases.