A non-restrictive modifier add information that does not restrict who the subject can refer to (compare to "The one Marlena that enjoys many subjects" -this one restricts the subject to a specific Marlena). Here it's "who enjoys many different subjects" - it adds additional information about her, but doesn't change the referent.
Alcinous starts the games when he does
because he notices Odysseus crying. The correct answer between
all the choices given is the first choice. I am hoping that this answer has
satisfied your query and it will be able to help you, and if you would like,
feel free to ask another question.
