His exploration was vital to the myth about monsters because
he dismissed it as nothing more than stories that were exaggerated. The story about monsters breathing fire was probably
natives who were smoking tobacco. He did
promise to bring back riches but this part was exaggerated.
It is a warning that indicates a future event.
Mary asked no more questions but waited in the darkness of her corner, keeping her eyes on the window.
Hope I helped!!!
C is the right one. Unlike quotations or paraphrased ideas, information that's considered "common knowledge" doesn't need to be cited. "Common knowledge" is information that's considered widely known or easily verified.