You will be given a definition of a task first, then some input of the task.
You are given a science question (hard-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

Some nonnative plants can adapt to their environments more quickly than some native plants or crops can. Which adaptation would least likely help a nonnative plant to survive in a new environment?
(A) having a large number of seeds (B) having a resistance to herbicides (C) having roots that develop rapidly (D) having leaves that form at a slow rate
Output:
D