<span>B. Mr. Moon, whom you have met, is my assistant.
The relative clause in this sentence is "</span><span>whom you have met". The relative pronoun used here is the whom.
Relative pronouns are type of pronouns that make use of possessive pronouns, or acts as an object or subject in the sentence.
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Well, I am not really good at writing, you know. But I know who will be able to help you with it. Personally, I use the help of Supreme essay guys. They usually both proofread and edit my papers. Those guys are real professionals in what they do. Good luck!
Answer: its the main/ central life lesson the author is providing for the reader of the article
Explanation: