Why Is Obesity More Common Among Poorer and Disadvantaged Groups

Why is obesity more common among poorer and disadvantaged groups than among wealthier and better-educated groups?

A) Poor people are poor because they are lazy and unwilling to work.
B) Poor people do not have any idea what foods might or might not be healthy.
C) Wealthy people tend to received medical intervention (e.g. ,liposuction) .
D) Healthy and fresh foods tend to be more expensive than less nutritionally advantageous foods.
E) Wealthy people all hire personal trainers.