For capital letters, we can just add the ending -s, for example:
I got As in the final exam.
for lower-case letters, an apostrophe is used to avoid confusion:
In the multiple-choice exam all the correct answers happened to be a's! (as in: option a)
The answer is <span>C. deserve contentment, not sorrow</span>
The correct answer is denouement.
The part in the fable that was in bold is called denouement. This the last part of the plot in which the story is drawn together. This the part where things get resolved and things are explained. It is usually the resolution of the story. So the correct answer is denouement. I hope this answer helped you