Hayate is forced into a situation his only viable option is to do something illegal, unethical, and unbecoming.  After being called a Mom like figure to Nagi, Maria goes to the source on information regarding Nagi’s father.
Where would she learn that?
¿Dónde aprendería eso?
¿Dónde lo aprendería...?
Onde será que 
ela aprendeu isso?