Which of the Following Is True About Proximal Vs

Which of the following is true about proximal vs. distal interventions?

A) Distal interventions are more efficient and easier to implement because they target whole groups at a time
B) Proximal interventions are more intrusive because they are implemented in close proximity to people
C) Distal interventions are more challenging and costly to implement
D) Proximal interventions target the fundamental causes of health problems