B A protagonist is the main character in the story (Mostly the good guy as my teachers told me)
Answer:
I do believe it is B.The narrator is amused by the niece's resourcefulness.
Explanation:
As soon as she meets Framton Nuttel and is asked to "entertain" him for a bit.
Answer:
The error is :-
The sentence must be Who is yelling not whose yelling. Correct Sentence would be
"Who is yelling?" asked the teacher