WILL GIVE BRAINLIEST!!!!!RATE!!!THANKS!!!!!AND VOTE!!!!!!!!!!PLS HELP, SHARE YO SMARTNESS!!!!!


12. All of the following factors contribute to the shift towards an aging population, except:


A) Better medical care helps adults live longer.


B) More children are living to adulthood.


C) More children are being born worldwide.


D) Fewer people die from communicable diseases.