Final Answer:
On a personal watercraft (PWC), such as a jet ski, safety regulations require that every person on board must wear a life jacket . Option D is the answer.
Step-by-step explanation:
This rule applies to individuals of all ages and swimming abilities. Wearing a life jacket is a crucial safety measure to prevent accidents and ensure the well-being of passengers in the event of a mishap.
The specific emphasis on every person wearing a life jacket, as indicated in option 4, aligns with boating safety guidelines. Regardless of age or swimming proficiency, the implementation of this rule prioritizes overall safety and reduces the risk of injury or drowning in case of an unexpected incident.
Option D is the answer.