<span>First, it will contain a subject and verb.</span><span>Next, it will begin with a relative pronoun [who, whom, whose, that, or which] or a relative adverb [when, where, or why].</span><span>Finally, it will function as an adjective, answering the questions What kind? How many? or <span>Which one?
So the answer is C. relative pronoun.</span></span>
