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").

A beaver is going to experience a long winter in the upcoming months. The beaver knows that the weather is changing, so it begins to eat more and more food, knowing that it can survive meager months by being (A) overweight (B) weighted (C) underweight (D) starved
A