It would be the claim made in the essay.
The option that presents the best meaning for "firsthand" in the context of the paragraph is "with their own eyes," as is further explained below. (option B)
<h3>Meaning of "firsthand"</h3>
"Firsthand" is an adjective used to refer to something we have experienced directly, ourselves, as opposed to something someone else told us about. In the paragraph, the word is used to talk about doctors encountering yellow fever cases.
Taking the context into consideration, the best option is letter B, "with their own eyes." No labs or blood samples are mentioned in the paragraph, and talking to other doctors would not be a "firsthand" experience, which eliminates the other options.
In conclusion, option B is the correct answer. "Firsthand", in this context, means "with their own eyes."
Learn more about the meaning of words here:
brainly.com/question/2000633
The type of conclusion which ends with the outcome still unknown is called CLIFF HANGER.
Cliff hanger is a style use in literary works, it involves leaving some questions unanswered in a novel for instance, it is usually done is such a way that the readers will be put in suspense to know the ending of the story.
Cliff hanger is usually used by authors in order to ensure that the readers will be forced to read the sequel editions in order to discover how the book actually end.
The answer to your question would be,
E.
I hope this helps you. Have an amazing day! :)
-wfz
