18. According to the table in the passage, which of the following statements is true?
(A)Strategies that limit cruise ships or control hotel growth help to increase the money spent by each tourist.
(B)Digital reservation systems are the most popular strategy because they are the easiest for all three cities to use.
(C)Kyoto’s strategy of restricting bus routes is more effective at increasing visitor spending than Amsterdam’s hotel ban.
(D)Venice’s access fee primarily targets high-value tourists, explaining why its resident satisfaction improved the most.