A) me alegro de que
¿Donde esta tu mama? - where is your mother
¿Estas contenta? - Are you happy?
¿Estan enfermos? - Are they sick?
¿Donde esta mi telefono? - Where is my phone?
Most likely hamburger, as hamburgers are not traditional Spanish foods. Also, tortillas originated from Mexico and pinatas from Spain (most likely), and sauce is such a generic type of thick liquid that every country has, so that it could have no way originated just from the Spanish language.
me alegro de que<...