Read the following context and choose the best option to answer the question.
Context: Rin immediately looked at him . Manji 's skin split much further , more than doubling the length of the rent in his belly , and blood bubbled out in an alarming rush . His eye rolled back ; he slumped and passed out .
Question: What may have caused blood to bubble out ?
Options: 
- He may have drank too much blood too fast .
 - None of the above choices .
 - He may have fallen into a bed of fluffy pillows .
 - He may have stuck his eye in a stack of needles .


None of the above choices .