Which sentence contains a linking verb?

“there are forms of oppression and domination which become invisible – the new normal.” - michel foucault meaning?

How can a speaker best appeal to an audience? a. by revealing just enough information to make the au us b. by allowing the audience to ask questions about the speech's subject matter c. by adapting the speech to the expectations and knowledge of the audience d. by encouraging listeners who disagree to voice their opinions

Answer 3 and 5 for brainliest. i don’t have a link for #3 sadly.