A, Peppered Mashed Potatoes is not the answer, neither are B or C.
D, Snow Fleas, yes snow fleas. These little guys appear atop the snow as little dots of dirt on warmer winter days. They would go unnoticed if it were not for their disconcerting way of disappearing. Another name they have is Springtails. By their bellies are appendages that propel them distances a grasshopper would envy.
Want to learn more? Jump to this article from WIRED magazine.