The correct answer is b, he calls billy jo to help bolsa to solve the case
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.
Voy a beber agua is the answer
It's Papa Noel. Because many children say it on like Tv shows.