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
A sentence that includes an independent clause and at least one dependent clause is called a complex sentence.
Here the answer
Every sitcom episode has a main plot (story A), as well as one or two subplots (stories B and C).” There are three main acts, divided by two commercial breaks (in most American TV), with 3-5 scenes per act.
