The sentence that best paraphrases the first sentence of the excerpt is "You aren't telling me anything I don't know". This is because the narrator uses the metaphor of "rousing me from a deep sleep" as saying that he was aware of the situation that was going on, it wasn't that he didn't know about it.
A, context clues allow us to identify the meaning of a word through identification of words that may help us understand the meaning through implied definitions
