I think the answer is that Sylvia is experiencing falling in love. She is extremely attracted to the hunter, and might be actually falling in love with him, but the important thing here is that she doesn't follow her physical attraction, she follows her philosophical learnings.
C) "This data is totally useless and doesn't help us at all in solving the problem."
I think reads should choose texts with dynamic characters that they find interesting.
D. Hope it helps :) and sorry if wrong