Which of the Following Events Might Help Document the Importance

Which of the following events might help document the importance of a health screening to the neighborhood?

A) Absenteeism caused by illness at the local factory decreased.
B) Morbidity statistics related to heart disease decreased over the next year.
C) The incidence and prevalence of hypertension fell precipitously.
D) The incidence and prevalence of hypertension rose precipitously.