How Can Living in a Less-Developed Nation More Frequently Lead

How can living in a less-developed nation more frequently lead to poor health?

A) Less-developed nations often offer less access to quality health care.
B) Developed nations have greater access to processed foods.
C) Less-developed nations have simpler bureaucracies so health care salaries are lower.
D) Developed nations have greater wealth inequality, so access to care is uneven.