Which of the following is the antecedent of the pronoun "theirs" in the sentence below?

Rivers stopped flowing along the banks so that they could hear Orpheus, whose music was more harmonious than "theirs".

The story is Orpheus and Eurydice
and the word we need the antecedent for is theirs...

choices...
A. rivers
B. banks
C. music***

I think it is C but I am concerned it may be A?? Please clarify

Thank you in advance...

3 answers

It's A.

Try substituting each word for "theirs." Which one makes sense?

ok thank you

You're welcome.