Our neighborhood should organize a volunteer beach watch to protect sea turtles that come to shore to lay their eggs. Volunteers could redirect vehicles and people away from nesting sites. Because lights could prevent sea turtles from coming ashore, volunteers should ask everyone to avoid using flashlights and flash cameras. And fires, which also produce light, are a hazard for hatchlings, or baby sea turtles. What is the clause in this argument, and which relationship does it help clarify?

A.
to protect sea turtles; it clarifies the relationship between the claim that there should be a neighborhood beach watch and the reason that sea turtles are in danger.
B.
are a hazard for hatchlings; it clarifies the relationship between the claim that lights are hazardous for baby sea turtles and the reason that lights prevent them from coming ashore.
C.
Our neighborhood should; it clarifies the relationship between the claim that there should be a neighborhood beach watch and the reason that sea turtles need protection.
D.
Because lights could prevent sea turtles from coming ashore; it clarifies the relationship between the claim that there should be a beach watch to help protect sea turtles and the reason that the watch volunteers should prevent too much light from being used.