La respuesta es D porque es del pasado
The answer is true. Hope this helps.
A. Julio is saying that the best choice is to open a savings account
Carlos wants Julio's feedback on what kind of account he should open to save his money.
A - is recommending to open a savings account
B - is saying in case he opens a saving account
C - is saying it's true that you open a saving account
D - saying unless you open a savings account
Airplane, el avión is in Spanish and it translates to the airplane