Seeing someone yawn, or even the thought of it, can make you yawn too.
<span>The correct answer is A, because that is the only option where there is a subordinate adjective clause 'which come in many varieties'. </span>
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.
