Choose the sentence that contains a relative pronoun.
a. , put your book bag in your locker.
b. someone is coming down the hill.
c. mr. moon, whom you have met, is my assistant.
d. those are not my shoes.

C. Mr. Moon, whom you have met , is my assistant.

A relative pronoun is a kind of pronoun that is used to attach a phrase to a noun or a pronoun. In the sentence above, the relative pronoun is "whom". Other examples of relative pronouns include that, whichever, who, and which. Below are some examples of sentences that contain relative pronouns.

I have one true love, the one that got away.
She is my mother, the one who gave me everything.
She chose the lavender dress which is more revealing.

'The one of the reasons I grew my hair long last year is that I like how my bangs cover my eyes: it blocks out the things I don't want too see'

Explanation:

I dont know why bit i think this is the answer