It is personification because it makes the pain seem as it has feelings
B is the answer because it exemplifies how the word is linked with the source of where the word came from and what it means in Greek.
According to the paper, is the prepositional phrase. According is a preposition.
This is just a thoughts
1 his head might be clogged with thoughts
2 their is blood literally on his head
3 or some blood from something/someone is drooling on his head