Wiesel seems to reestablished his ethos by reminding the audience of his experience as a Holocaust survivor (option c). It might be said that he wanted to convey the idea that indifference is worst than hatred because it mean the absence of compassion and lack of acknowledgement. he might have wanted for people to care about things happening in the world around each of them. <span />
If you don't understand a point made by a speaker, it is okay to C. Ask a question to help clarify their statement.
For the 3rd one it would be D. You see the evidence when it says “to avoid having students gather in groups”
The type of compound subject almost always takes a plural verb is: plural compound subjects with and. The correct answer will be C.
