Throughout the Text, the Authors Emphasize the Importance of Examining $\Rightarrow$

Throughout the text, the authors emphasize the importance of examining the Disparity Chain that leads to or has led to a current day disparity. Because emergency use for nonemergency conditions is income related, research was introduced which revealed preterm birth can generate a Disparity Chain that lead to nonemergency emergency department use. Which listings below most accurately reflect this chain of circumstance?

A) Preterm birth $\Rightarrow$ academic problems in school $\Rightarrow$ failure to complete a college degree as adults $\Rightarrow$ lower income or joblessness $\Rightarrow$ an absence of health care insurance $\Rightarrow$ emergency room use
B) Preterm birth $\Rightarrow$ health problems $\Rightarrow$ high school dropout
C) Preterm birth $\Rightarrow$ better health care $\Rightarrow$ high income $\Rightarrow$ emergency room use
D) a and b
E) b and c
F) a, b, and c
G) None of the above