Answer:
It should aim to restate your thesis statement and summarize your main points of evidence for your readers.
The correct answer for this question is this one:
"The type of channel do Speaker 1 and Speaker 2 use in their communication is that they are directly receive the content of the message via person-to-person, without any device like telephone, sms, or someone who can deliver it to them personally.
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
