It did n't last long , maybe one whole minute , but it was a start . He had n't thrown up in 4 hours . I was timing it . Everything was down to hours and minutes now .
According to the above context, choose the best option to answer the following question.
Question: What might be the reason for his situation .
Options:
- He finished a light exercise .
 - None of the above choices .
 - He ate a probiotic .
 - He had gotten the flu .


He had gotten the flu .