For about 3 weeks now I have been having issues with my eyes . They are RED RED RED . So , I went to the eye doctor and she asked why I thought they were red ? I thought I scratched one area of my eye .
According to the above context, choose the best option to answer the following question.
Question: What may be the reason why their eyes are red ?
Options:
- None of the above choices .
 - They 're red because of pink eye .
 - They 're red because she 's got a chemical in her eyes .
 - They 're red because she has been rubbing her eyes .


They 're red because of pink eye .