Read the following context and choose the best option to answer the question.
Context: It could have been everything , and it could have been nothing . I think I was past caring . I walked , because there was nothing else for me to do . My chest still felt tight , like a coil wound .
Question: What may be a reason their chest was tight ?
Options: 
- It was an easy decision that had no effect on their chest muscles at all .
 - None of the above choices .
 - It was a simple decision that badly affected their fever and chest cold .
 - It was a big decision that they made after getting proper drunk .


None of the above choices .