I'm not sure I guess it depends
but the question is asking
if something is SWEET,you probably want to drink sour lemonade with it
The answer is b ( poncho ) because if it was for c and d he word before c and d would be la
The answer is b
Select and write the correct preposition, por or para, in order to complete the sentence.
Bold answers
Estoy planeando un viaje a Santo Domingo.
Nos vamos a quedar para una semana y viajaremos por avión.
Hope this helps!
If you need more help say it, I am Mexican....