The correct answer is "Thy hair soft-lifted by the <u>w</u>innowing <u>w</u>ind;"
<u>Alliteration</u> is the same sound or letter at the beginning of words which are close together.
The alliteration in this line can be spotted at "<u>win</u>nowing <u>win</u>d" because the words begin with the same letters and are close together.
The phrase conveys the extreme violence with which the revelers handle the intruder, who is seemingly left without a body.
Yes B is the right answer, to produce a catharsis you are changing the emotion of the readers to show empathy.