Given the task definition and input, reply with output. In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: the vomiting reflex is used to remove toxic material from the stomach before it is absorbed, Fact2: If vomiting occurs, turn the victim's head so that the vomitus is expelled., Question: What happens to vomitus so that toxic materials are removed from the stomach before they are absorbed? (A) toxins (B) dissolved (C) expelled (D) dangerous (E) evaporation (F) uncontrolled (G) soaked up (H) decreased
C