Based on these lines from"the gorgon's head" by nathaniel hawthorne is an imperative sentence is: b. "be careful that they do not see you before you see them".
the "imperative" sentence is a command, so i think it's the answer b.
hope this help
Yes, Martin luther king was a patriot
Are there any answer choices or a graph or more information for us to answer your question? I would love to help.