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.
Q: A scientist discovers that a certain substance will be useful in treating nerve damage. What is the best way she can communicate her results to the scientific community?
(A) She can call other scientists who also work in nerve research. (B) She can write a letter to hospitals that treat patients with nerve damage. (C) She can put her conclusions on a Web site that focuses on the nervous system. (D) She can publish her results in a scientific journal that covers issues relating to nerves.
A:
D