I believe the answer is A. horizontal.
Horizontal lines communicate calm feelings, which is definitely something you want to experience if you are going to a vacation resort. You usually go there with your family or on your own to rest from the outside world, so you don't want there to be any chaos.
Answer:
1) DO MI SOL 2) SI RE FA 3) FA LA DO 4) SI RE FA 5) LA DO MI 6) RE FA LA
Explanation:
Solo tienes que saltar una nota cada vez...
