Pls help it’s for reading

Which is the best strategy for responding to counter-arguments in your persuasive research essay? a. avoid addressing opinions that point out flaws in your thesis. b. use language that will appeal to the emotions of your audience. c. respond to reasonable outlooks instead of weak ones. d. ignore any evidence that does not support your own thesis

If you wanted to figure out a topic and some details about that topic you would want to use a ?

1. in which sentence is the underlined portion a predicate nominative? for astronauts, going into space to repair orbiting equipment becomes a challenge. for astronauts, going into space to repair orbiting equipment becomes tricky. for astronauts, going into space to repair orbiting equipment becomes challenging. for astronauts, going into space to repair orbiting equipment becomes frequent.