In your question that as how the pronoun is used in the sentence The fastest swimmer on the team is he, so the pronoun in this sentence is place after the predicative so the possible answer would be B. predicate nominative. I hope you are satisfied with my answer and feel free to ask for more
This is a proper noun and a common noun!!!
It's hard to answer without an excerpt you should have been provided. But I'll help you anyway. I suggest you to go with the second one: The speaker’s voice in the selection from “Clearances” is private and nostalgic.