Holly is on the internet researching elephants, and a pop-up ad comes up. It tells her she has just won a new pair of headphones and to click on the link to claim her prize! What should Holly do? A. Click on the link to claim the headphones. B. Click on the link because it says to. C. Ignore the pop-up ad because it might be a virus. D. Ignore the pop-up ad because she already has headphones.