Jennifer Lives in a Highly Developed Society with Good Water

Jennifer lives in a highly developed society with good water, very comfortable housing, with all the modern conveniences. Her sister, Jane, lives in a primitive region of east Africa where good water is hard to find and although her diet is good, her housing accommodations are primitive. What can you conclude regarding their life expectancy?

A) Jane will have a longer expectancy than Jennifer.
B) Jennifer's life expectancy is greater than Jane's.
C) Both should have the same life expectancy because they are siblings.
D) There is no way to predict their life expectancy.