According to Thornburgh, "Dropping Out of High School Today Is

According to Thornburgh, "Dropping out of high school today is to your societal health what _____, an indicator of a host of poor outcomes to follow, from low lifetime earnings to high incarceration rates to a high likelihood that your children will drop out of high school and start the cycle anew."

A) smoking is to your physical health
B) dropping out of college used to be
C) exercise is to your physical health
D) joining the military has always been