To answer this question, we need to analyze the given information and determine which statement must be true based on the information provided.
The given information states that Maya and Julian decided to change their vacation plans after hearing news of the hurricane. They booked a room at a fancy new spa in the mountains instead of traveling to the island beach resort. This indicates that the hurricane influenced their decision to change their vacation plans.
Let's go through each statement to determine which one must be true:
A. Maya and Julian take beach vacations every year.
This statement cannot be concluded from the given information. We only know that they changed their vacation plans this time, but we don't have information about their vacation preferences in general.
B. The spa is overpriced.
There is no information provided in the passage to suggest that the spa is overpriced. We only know that their new plans were a bit more expensive, but there is no comparison to suggest that the spa is overpriced.
C. It is usually necessary to book at least six months in advance at the spa.
There is no mention of the booking process or any specific time frame required for booking at the spa. We cannot conclude that it is usually necessary to book at least six months in advance based on the given information.
D. Maya and Julian decided to change their vacation plans because of the hurricane.
This statement must be true according to the given information. The passage explicitly states that Maya and Julian decided to change their vacation plans when they heard news of the hurricane. This indicates that the hurricane influenced their decision.
Therefore, the correct answer is D. Maya and Julian decided to change their vacation plans because of the hurricane.