<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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What the story or person is mainly talking about.
I think reads should choose texts with dynamic characters that they find interesting.
It seems that you missed the given choices of the question above which are the following:
A. the past is not something we can talk about.
B. there are no words to convey the pain of the past.
C. The battle of the sexes will go on forever.<span>
D. Men’s and women’s roles are deeply rooted in our species.
Anyway, the correct answer for the given question above would be option D. When the </span><span>author says in lines 40–41 that “I'm convinced the past, we must contend with is deeper even than speech,” he means that </span>Men’s and women’s roles are deeply rooted in our species. Hope this answer helps.