Which of the Following Scenarios Best Depicts the Implementation of the Population

Which of the following scenarios best depicts the implementation of the population model for prevention?

A) A doctor's office offers detailed health maintenance information packets to its high-risk patients.
B) In an effort to have some control over their own lives,a group of elderly people have each filled out an advance directive.
C) A hospital will not discharge a patient until it is satisfied that the patient and her family fully understand her postoperative plan for care.
D) Over the course of two years,a soft drink manufacturer is required to gradually and incrementally reduce the amount of sugar in its drinks.