D. An undisclosed disease that he had harbored for years. DR. Lanyon had died as a result of falling ill
Isabel Burnell wanted to impress her classmates with the new doll's house<span>. Aunt Beryl did not consider the feelings of others. Lady Macbeth smears the sleeping groom with King Duncan's blood. - hope this helps</span>
The correct answer is definitely the historical method.
You should observe words and their usage as it developed throughout history.