For in-text citations using MLA format, the correct answer would be A because you cite quotes using (last name, page #). So in this case, you would use the authors last name (Krakauer) first, and follow it with the page number from the page you are going to use (page 42). So, the citation should look like (Krakauer 42) and go at the end of the cited quote.
Answer: A summary could be followed by a Conclusion, at least it seems reasonable if you get up and have something to say, something of enough importance to convey, you certainly can summarize what you tried to get across, and lastly provide a conclusion to make the Speech and your point of giving it, (at last complete), with a Conclusion.
This is simply my opinion, and I am not referencing any “rule book”, just what I find to be reasonable.
A final Conclusion would by this time,
allow the listener to evaluate all the speaker had said and why. It would have a greater purpose beyond a mere exercise.
This is, again, simply my view on the question and a proposed answer.
Explanation: