Answer:
Is there a paragraph you’re supposed to read?
There is a kitchen, my older sister's bedroom, Pilar, my parents' bedroom and more, and there is a living room, a dining room and a very large terrace with lots of plants and flowers.
“In the future”
So is the first one, “habrán cambiado”.
Explanation:
If you put the 3rd one is wrong because is talking in the present form, like now and not something that is going to happen in the future and that is not what the sentence is stating.
