Show me the road
relative clauses always need a pronoun ( i, me, he, she they, etc.) as well as a verb and a subject
Answer: I would say yes it does
Explanation:
The answer is b,They are waiting to hear which one of them Penelope will marry.
This would be "in media res" meaning "in the middle of things." It begins, quite frankly, in the middle of things and carries on from there.