Read the following context and choose the best option to answer the question.
Context: Anyway , I just made that little casserole for lunch this afternoon and when I was opening the can of ' tuna ' it smelled kinda strange ... and it was brownish . Well , it smelled sorta . .
Question: What may have been wrong with the tuna ?
Options: 
- The tuna may have been spoiled and inedible .
 - The tuna was a high end brand of tuna .
 - It was tuna that was brought in from the lakes .
 - The tuna was just casserole tuna so it was fine .


The tuna may have been spoiled and inedible .