I'm pretty sure the answer is C.
She
with the teacher
would speak
would you speak
we would talk
would speak
Vamos ir a la tienda por unas aguas light. Let's go to the store for some diet sodas.
Answer:
The difference is in what conjugate form you used it in.
Yo : prefiero
Tu : prefieres
El/ella/ud. : prefiere
Nosotros : preferimos
Vosotros : preferis
Ellos/ellas/uds. : prefieren
Explanation:
hope this helps :^)