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").

If a bird has a larger beak than its friends, it likely had (A) mother without a beak (B) father with a long trunk (C) parents with smaller beaks (D) ancestors with similar beaks
D