According to the Authors, Which of the Following Is True

According to the authors, which of the following is true of the study of the impact of institutional racism on health?

A) Institutional racism is not the primary mechanism by which racism adversely affects health, so it has received little research attention.
B) No efforts have been made to operationalize aspects of institutional racism in epidemiological studies.
C) Researchers have made great strides in quantifying the impact of institutional racism on health.
D) It is challenging to capture the impact of institutional racism using traditional epidemiological research.