In addition my back was out in an odd way that made it really painful to sit , sleep or breathe . I got some relief Monday , but it has been an uphill battle around here . Not to mention the buckets of snot in my head .
According to the above context, choose the best option to answer the following question.
Question: What may be a reason for their pain ?
Options:
- None of the above choices .
 - They had gotten injured .
 - They have fallen ill .
 - They had hurt their back .


They have fallen ill .