Read the sentence:

the pea green sofa that used to sit in my college dorm room is in my office now.

which is the relative pronoun, and what is its function in the sentence?

question 13 options:

a. the relative pronoun is that; it functions as part of the adjective clause.

b. the relative pronoun is that; it functions as part of the adverb clause.

c. the relative pronoun is in; it functions as part of the adjective clause.

d. the relative pronoun is in; it functions as part of the adverb clause.