" 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 . "

Q with options: Give answer the following question using evidence from the above passage: What might have happened in the battle Sanzo mentioned ?
Available choices: - 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