Answer:
The correct answer is Mr. Hyde and Dr. Jekyll are the same person.
Explanation:
In his letter, Lanyon tells about that night where he went to visit Jekyll. Through a letter (which was not typical of him) Jekyll asks dr Lanyon to go to his home and follow specific instructions, which dr does.
There, he narrates everything that happened that night. How Hyde through experiments that went totally in the opposite direction of what Lanyon approved scientifically and morally, he ended up transforming himself into his friend Jekyll.
Lanyon swore, before seeing what was going to happen, that this would be under professional secrecy, that is why he can only tell about it when he dies or when Jekyll disappears. What he saw left him so disturbed that he eventually ends up getting sick and dying.
Given this information we can say that the correct answer is Mr. Hyde and Dr. Jekyll are the same person.
The important event in the plot which Dr. Lanyon's letter reveal is:
This refers to the split personality which is played by one person in the narration of Jekyll and Hyde where they are different people and deceive many people at the start.
With this in mind, we can see that there is the delivery of a letter which makes an important revelation that Jekyll and Hyde are the same person.
Read more about Jekyll and Hyde here:
https://brainly.com/question/8864053
