A) The narration directly reveals Lanyon's feelings.
Explanation:
In chapter 9
I<em>t is revealed to us that Dr. Lanyon was instructed to break in Dr. Jekyl's laboratory and take several ingredients. He was said that a man will come by him at midnight to pick it up. Here, Dr.Jekyl reveals to Dr. Lanyon that he is Mr. Hyde. </em>
After this, Dr.Lanyon felt sick and he could not sleep, he felt as if he was dying which had happened soon after.
