Read the following context and choose the best option to answer the question.
Context: " Yes , " was the weary reply . " When did you start having it ? " Sanzo chewed on his lip and scowled into his arm . " Right after that fucking battle . "
Question: What might have happened in the battle Sanzo mentioned ?
Options: 
- Sanzo may have had a very difficult time in the battle
 - Sanzo may have had a very good battle .
 - None of the above choices .
 - Sanzo may have had a satisfying time in the battle .


Sanzo may have had a very difficult time in the battle