Choose the relative clause in this sentence.

I'm making cookies for the friend whose car I borrowed.

Choose 1 answer:

(Choice A)
A
I'm making cookies

(Choice B)
B
for the friend

(Choice C)
C
whose car I borrowed


Answer :

The relitive claus would maybe be im making cookies because a clause that is attached to an antecedent by a relative pronoun such as who, which, or that.
I am 90% sure that it’s C “who’s car I borrowed”