Still dreaming about his victory , Darius missed the object beneath his foot and tripped , sending the bottled flying and smashing against the wall . Glass shattering into tiny bits , Darius covered his face as the assailants landed . Moving warily he came to his knees , checking to make sure he did not press his palms into glass . Carefully getting up , Darius checked what had caused his fall . It was a small white square with dots and a little line down the middle .

Question: What may of hit Darius in the face ?
Answer: RocksGlassNone of the above choices .A bug