I think A? It could also be C. Generally, a research question sets out to answer something, although it is not meant to be too easy to answer.
Librarian, teacher, doctor, therapist, pretty much all careers require listening and reading skills. You have to be able to listen to people & their questions and a lot of jobs require you to read things, like a lesson plan for a teacher for example. Hope this helps :)
A counterclaim is a claim made to rebut a previous claim. It is important to have a claim in an essay so it builds up the conflict or "turning point" of the story, and that's what interests the readers.
Lincoln is a proper noun, which needs to be capitalized, so the answer is...
1) Capitalize Lincoln
