The final sentence would be something like - Yo soy un americana muchaca y soy bonita
B. Fueron
Fui is speaking in terms to yourself
Fueron is the best choice because you are talking about what your grandparents did or were they went, in this case you can almost assume the grandparents were doctors there for B. Is the appropriate response.
El doctor es el señor Guzmán. Él <em>ayuda</em> a mi madre.
