Final answer:
The correct answer to the question is 'Sí, les gustan las fiestas.'
Step-by-step explanation:
The correct answer to the question is Sí, les gustan las fiestas.
In Spanish, the verb 'gustar' is used to express likes and dislikes. When talking about what someone likes, we use the indirect object pronoun 'les' to indicate 'to them' or 'for them'. In this case, it refers to 'a tus amigos' (your friends).
So, the correct translation of 'Do your friends like parties?' is '¿A tus amigos les gustan las fiestas?'. Therefore, the correct answer choice is 'Sí, les gustan las fiestas.'
Learn more about Likes and dislikes in Spanish