The relative pronoun in the following sentence relates its clause to . the business manager for whom i work is very efficient. whommanageri

Manager

Explanation:

Relative pronouns are those that introduce a relative clause (a clause that modifies a noun and that does not express a complete thought) and that refers to nouns mentioned previously. There are few relative pronouns, some of them are who, whom, whoever, whomever, whose, which and that.

In the sentence, then, the relative pronoun is "whom" and it relates its clause ("for whom I work") to the noun "manager."

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i believe that the answer is b! i hope i out!