<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.
the state or fact of having a duty to deal with something or of having control over someone. or the state or fact of being accountable or to blame for something
