Which of the following is offered in paragraph 3 as a possible explanation for sea turtle hatchlings' behavior of avoiding sand dunes and vegetation? A. Sand dunes and vegetation may provide hiding places for animals that attack hatchlings. B. Sand dunes and vegetation may block the pathway between hatchlings and the water's edge. C. The shapes of sand dunes and vegetation may indicate the wrong direction to travel in. D. The shapes of sand dunes and vegetation may resemble the shapes of some hatchling predators