Gaara leads the Fourth Company into battle against the previous Kage, including his father, the late Fourth Kazekage. The Fourth Kazekage attacks Gaara in order to determine if his son is truly worthy to be the current Kazekage.
However, I could have refused
if I chose to do so.
لكن كان بمقدوري أن أختار الرّفض
Sin embargo, si hubiera querido 
rechazarla, lo hubiese hecho.
Sin embargo, si hubiera querido 
rechazarla, lo habría hecho.
ma avrei potuto rifiutarlo,
se l'avessi voluto.
Mas eu podia ter recusado se quisesse.
Однако я мог отказаться,
если бы сам захотел.