I think the answer is "Even now when they see the storm clouds gathering, the Kiowas know what it is: that a strange wild animal roams on the sky. ...But they speak to it, say "Pass over me." They are not afraid of Man-Ka-ih, for it understands their language."
Answer: Normally, the main character and good guy in a story is the B. protagonist.
Answer:
I think it would be A. Leave it as is, because the other answers don't sound right, or don't have any commas.
Hope this helped! :)
The correct answer to your question is D. she will continue to help the guerillas