LAST QUESTION AND FINAL TRY!!! WILL GIVE BRAINLIEST!!!!!!!RATE!!!VOTE!!!!!HELP!!!!

2. 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.