Given the task definition and input, reply with output. In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

The more that worms make their way through compost, the more (A) bees in skies (B) vitamins in dirt (C) trees in fields (D) snakes on planes
B