C. Pathos
This is because the speaker is appealing to the emotions of the audience tied to the work of the Red Cross and humanitarian efforts.
example;
broad topic: Depression
narrowed topic: what causes depression?
Targeted question: What studies in the past have shown a direct correlation between substance abuse and depression?
I would Choose D because A is not correct because the librarian doesnt do that kind of stuff they just help find books It cannot be B because The internet can always be sus and not always have what you are looking for Its not C Because of the same reason for why B is not the correct answer Hope this helped :D