Read the following context and choose the best option to answer the question.
Context: It hurt . Terribly . The blonde grimaced as a stream of blood dripped down his arm , splashing onto the floor . Mello gripped his shirt and pulled it over his head , falling back against the wall a moment as the sleeve was peeled off .
Question: What may be the reason why he fell back against the wall ?
Options: 
A. Because it helps the pain .
B. Because the cool wall felt good .
C. Because he lost his balance .
D. Because it eases his anxiety .


C