I think option D. The flag is neither red, nor white, nor blue. is correct.
(can u mark my answer as Brainlist if it's correct please please please)
The answer is C.) All of them were from somewhere in Oklahoma
"It would benefit many people to learn how to help protect our environment" sounds like the best answer to this question.
I'm not sure if this is what you need, but there's a website called easybib that creates bibliographies for you. I don't know if that is the same thing as a works cited page or not, but I hope it helps!